GasLog Partners LP (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line	Label	Object Class	Period Type	Balance	Report ElementName
1	00090 - Document - Document and Entity Information	Network	*	*	http://www.gaslogmlp.com/role/DocumentDocumentAndEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document and Entity Information	Abstract			glop:DocumentAndEntityInformationAbstract
4	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
5	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
6	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
7	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
8	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
9	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
10	Entity Well-known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
11	Entity Voluntary Filers	Concept (Yes/No)	For Period		dei:EntityVoluntaryFilers
12	Entity Current Reporting Status	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
13	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
14	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
15	Entity Common Units, Units Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
16	Entity Preference Units, Units Outstanding	Concept (Shares)	As Of		glop:EntityPreferenceUnitsUnitsOutstanding
17	Entity Emerging Growth Company	Concept (Yes/No)	For Period		dei:EntityEmergingGrowthCompany
18	Entity Shell Company	Concept (Yes/No)	For Period		dei:EntityShellCompany
19	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
20	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
21	00100 - Statement - Consolidated statements of financial position	Network	*	*	http://www.gaslogmlp.com/role/StatementConsolidatedStatementsOfFinancialPosition
22	Implied Table	Table	*	*	implied:Table
23	Consolidated statements of financial position	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
24	Assets	Abstract			ifrs-full:AssetsAbstract
25	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
26	Other non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentNonfinancialAssets
27	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentDerivativeFinancialAssets
28	Vessels	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
29	Total non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
30	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
31	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
32	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
33	Due from related parties	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
34	Prepayments and other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
35	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentDerivativeFinancialAssets
36	Short-term investments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInvestments
37	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
38	Total current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
39	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
40	Owners'/partners' equity and liabilities	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
41	Owners'/partners' equity	Abstract			ifrs-full:EquityAbstract
42	Owners' capital	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
43	Common unitholders (24,572,358 units issued and outstanding as of January 1, 2017, 41,002,121 units issued and outstanding as of December 31, 2017 and 45,448,993 units issued and outstanding as of December 31, 2018)	Concept (Monetary)	As Of	Credit	glop:CommonUnitHolders
44	Subordinated unitholders (9,822,358 units issued and outstanding as of January 1, 2017, nil units issued and outstanding as of December 31, 2017 and December 31, 2018)	Concept (Monetary)	As Of	Credit	glop:SubordinatedUnitHolders
45	General partner (701,933 units issued and outstanding as of January 1, 2017, 836,779 units issued and outstanding as of December 31, 2017 and 927,532 units issued and outstanding as of December 31, 2018)	Concept (Monetary)	As Of	Credit	glop:GeneralPartnerUnits
46	Incentive distribution rights	Concept (Monetary)	As Of	Credit	glop:IncentiveDistributionRights
47	Preference unitholders (nil units issued and outstanding as of January 1, 2017, 5,750,000 Series A Preference Units issued and outstanding as of December 31, 2017 and 5,750,000 Series A Preference Units, 4,600,000 Series B Preference Units and 4,000,000 Series C Preference Units issued and outstanding as of December 31, 2018)	Concept (Monetary)	As Of	Credit	glop:PreferenceUnitHolders
48	Total owners'/partners' equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
49	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
50	Trade accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
51	Due to related parties	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
52	Derivative financial instruments	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDerivativeFinancialLiabilities
53	Other payables and accruals	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
54	Borrowings-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
55	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
56	Non-current liabilities	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
57	Derivative financial instruments	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentDerivativeFinancialLiabilities
58	Borrowings-non-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
59	Other non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentNonfinancialLiabilities
60	Total non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
61	Total owners'/partners' equity and liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
62	00105 - Statement - Consolidated statements of financial position (Parenthetical)	Network	*	*	http://www.gaslogmlp.com/role/StatementConsolidatedStatementsOfFinancialPositionParenthetical
63	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
64	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
65	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
66	Common units	Member			glop:CommonUnitsMember
67	Subordinated units	Member			glop:SubordinatedUnitsMember
68	General partner units	Member			glop:GeneralPartnerUnitsMember
69	Preference units	Member			glop:PreferenceUnitsMember
70	Series A preference units	Member			glop:SeriesPreferenceUnitsMember
71	Series B preference units	Member			glop:SeriesBPreferenceUnitsMember
72	Series C preference units	Member			glop:SeriesCPreferenceUnitsMember
73	Disclosure of classes of share capital [line items]	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
74	Owners'/partners' equity	Abstract			ifrs-full:EquityAbstract
75	Number of units issued	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssued
76	Number of units outstanding	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
77	00200 - Statement - Consolidated statements of profit or loss and total comprehensive income	Network	*	*	http://www.gaslogmlp.com/role/StatementConsolidatedStatementsOfProfitOrLossAndTotalComprehensiveIncome
78	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
79	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
80	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
81	Common units	Member			glop:CommonUnitsMember
82	Subordinated units	Member			glop:SubordinatedUnitsMember
83	General partner units	Member			glop:GeneralPartnerUnitsMember
84	Disclosure of classes of share capital [line items]	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
85	Profit (loss) [abstract]	Abstract			ifrs-full:ProfitLossAbstract
86	Revenues	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
87	Net pool allocation	Concept (Monetary)	For Period	Credit	glop:NetPoolAllocation
88	Voyage expenses and commissions	Concept (Monetary)	For Period	Debit	glop:VoyageExpensesAndCommissions
89	Vessel operating costs	Concept (Monetary)	For Period	Debit	glop:VesselOperatingCosts
90	Depreciation	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationExpense
91	General and administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:GeneralAndAdministrativeExpense
92	Profit from operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
93	Financial costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
94	Financial income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
95	(Loss)/gain on derivatives	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
96	Total other expenses, net	Concept (Monetary)	For Period	Debit	glop:OtherExpensesNet
97	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
98	Earnings per unit attributable to the Partnership, basic and diluted:	Abstract			ifrs-full:BasicAndDilutedEarningsPerShareAbstract
99	Earnings per unit (basic)	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
100	Earnings per unit (diluted)	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
101	Earnings per unit (basic and diluted)	Concept (Share)	For Period		ifrs-full:BasicAndDilutedEarningsLossPerShare
102	00300 - Statement - Consolidated statements of comprehensive income or loss	Network	*	*	http://www.gaslogmlp.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeOrLoss
103	Implied Table	Table	*	*	implied:Table
104	Consolidated statements of comprehensive income or loss	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
105	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
106	Other comprehensive income:	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
107	Items that may be reclassified subsequently to profit or loss:	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
108	Recycled loss of cash flow hedges reclassified to profit or loss	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax
109	Other comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
110	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
111	Number of common or general partner units in public offering	Concept (Shares)	For Period		glop:NumberOfCommonOrGeneralPartnerUnitsInPublicOffering
112	Number of preference units in public offering	Concept (Shares)	For Period		glop:NumberOfPreferenceUnitsInPublicOffering
113	00400 - Statement - Consolidated statements of changes in owners'/partners' equity	Network	*	*	http://www.gaslogmlp.com/role/StatementConsolidatedStatementsOfChangesInOwnersPartnersEquity
114	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
115	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
116	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
117	General partner units	Member			glop:GeneralPartnerUnitsMember
118	Common units	Member			glop:CommonUnitsMember
119	Subordinated units	Member			glop:SubordinatedUnitsMember
120	Incentive distribution rights	Member			glop:IncentiveDistributionRightsMember
121	Preference units	Member			glop:PreferenceUnitsMember
122	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
123	Equity [member]	Member			ifrs-full:EquityMember
124	Total Partners' equity	Member			glop:PartnersEquityMember
125	Total Owners' Capital	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
126	Reconciliation of owners' capital	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
127	Balance as of beginning of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
128	Balance as of beginning of the year (in units)	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
129	Capital contributions	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughOtherContributionsByOwners
130	Profit attributable to GasLog's operations (Note 19)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
131	Other comprehensive income attributable to GasLog's operations	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToOwnersOfParent
132	Total comprehensive income attributable to GasLog's operations	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
133	Net proceeds from public offerings of common units and issuances of general partner units (Note 5)	Concept (Monetary)	For Period	Credit	ifrs-full:IssueOfEquity
134	Number of units issued for net proceeds from public offerings of common units and issuances of general partner units (Note 5)	Concept (Shares)	For Period		glop:NumberOfCommonOrGeneralPartnerUnitsInPublicOffering
135	Net proceeds from public offering of preference units (Note 5)	Concept (Monetary)	For Period	Credit	glop:NetProceedsFromPublicOfferingsPreferenceUnits
136	Number of units issued for net proceeds from public offering of preference units (Note 5)	Concept (Shares)	For Period		glop:NumberOfPreferenceUnitsInPublicOffering
137	Settlement of awards vested during the year (Note 5)	Concept (Shares)	For Period		glop:NumberOfUnitsIssuedInSettlementOfAwardsVestedDuringPeriod
138	Issuance of common units to GasLog in exchange for net assets contributions to the Partnership (Note 5)	Concept (Monetary)	For Period	Credit	glop:IssuanceOfCommonUnitsInExchangeForContributionOfNetAssets
139	Number of common units issued to GasLog in exchange for net assets contributions to the Partnership	Concept (Shares)	For Period		glop:NumberOfCommonUnitsIssuedInExchangeForContributionOfNetAssets
140	Cash distributions to GasLog in exchange for net assets contributions to the Partnership	Concept (Monetary)	For Period	Credit	glop:CashDistributionInExchangeForContributionOfNetAssetsAllocatedToPartnership
141	Difference between net book values of acquired subsidiaries and considerations paid	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
142	Distributions declared (Note 5)	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
143	Share-based compensation, net of accrued dividend	Concept (Monetary)	For Period	Credit	glop:IncreaseDecreaseThroughShareBasedCompensationEquityNetOfAccruedDividend
144	Conversion of subordinated units to common units (Note 5)	Concept (Monetary)	For Period	Credit	glop:ConversionOfSubordinatedUnitsToCommonUnits
145	Number of units issued for conversion of subordinated units to common units (Note 5)	Concept (Shares)	For Period		glop:NumberOfUnitsIssuedForConversionOfSubordinatedUnitsToCommonUnits
146	Modification of incentive distribution rights "IDRs" (Note 5)	Concept (Monetary)	For Period	Credit	glop:ModificationOfIncentiveDistributionRightsIdrs
147	Partnership's profit (Note 19)	Concept (Monetary)	For Period	Credit	glop:NetIncomeLossAllocatedToPartnership
148	Partnership's total comprehensive income	Concept (Monetary)	For Period	Credit	glop:ComprehensiveIncomeLossAllocatedToPartnership
149	Balance as of end of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
150	Balance as of end of the year (in units)	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
151	00500 - Statement - Consolidated statements of cash flows	Network	*	*	http://www.gaslogmlp.com/role/StatementConsolidatedStatementsOfCashFlows
152	Implied Table	Table	*	*	implied:Table
153	Consolidated statements of cash flows	Abstract			ifrs-full:StatementOfCashFlowsAbstract
154	Cash flows from operating activities:	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
155	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
156	Adjustments for:	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
157	Depreciation	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDepreciationExpense
158	Financial costs	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFinanceCosts
159	Financial income	Concept (Monetary)	For Period	Credit	ifrs-full:AdjustmentsForFinanceIncome
160	Unrealized loss/(gain) on derivatives held for trading	Concept (Monetary)	For Period	Debit	glop:UnrealizedGainsLossesOnChangeInFairValueOfDerivatives
161	Recycled loss of cash flow hedges reclassified to profit or loss	Concept (Monetary)	For Period	Debit	glop:AdjustmentsForRecycledLossProfitOfCashFlowHedges
162	Share-based compensation	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForSharebasedPayments
163	Adjusted Profit Loss	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital
164	Decrease/(increase) in trade and other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
165	(Increase)/decrease in inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
166	Change in related parties, net	Concept (Monetary)	For Period	Debit	glop:RelatedPartyTransactionDueFromToRelatedPartiesNet
167	(Increase)/decrease in prepayments and other current assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets
168	Decrease/(increase) in other non-current assets	Concept (Monetary)	For Period	Debit	glop:AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets
169	(Decrease)/increase in other non-current liabilities	Concept (Monetary)	For Period	Debit	glop:AdjustmentsForIncreaseDecreaseInOtherNonCurrentLiabilities
170	(Decrease)/increase in trade accounts payable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
171	Increase/(decrease) in other payables and accruals	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables
172	Cash provided by operations	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperations
173	Interest paid	Concept (Monetary)	For Period	Credit	ifrs-full:InterestPaidClassifiedAsOperatingActivities
174	Net cash provided by operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
175	Cash flows from investing activities:	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
176	Payments for vessels' additions	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
177	Financial income received	Concept (Monetary)	For Period	Debit	glop:FinanceIncomeReceivedClassifiedAsInvestingActivities
178	Purchase of short-term investments	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
179	Maturity of short-term investments	Concept (Monetary)	For Period	Debit	glop:CashFlowFromMaturityOfShortTermInvestments
180	Net cash provided by/(used in) investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
181	Cash flows from financing activities:	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
182	Borrowings drawdowns	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
183	Borrowings repayments	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
184	Payment of loan issuance costs	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForDebtIssueCosts
185	Payments for interest rate swaps termination	Concept (Monetary)	For Period	Debit	glop:PaymentForInterestRateSwapsTermination
186	Proceeds from public offerings of common units and issuances of general partner units (net of underwriting discounts and commissions)	Concept (Monetary)	For Period	Debit	glop:ProceedsFromIssuanceOfPublicOfferingsAndIssuanceOfGeneralPartnerUnits
187	Proceeds from public offering of preference units (net of underwriting discounts and commissions)	Concept (Monetary)	For Period	Debit	glop:ProceedsFromIssuanceOfPublicOfferingsAndIssuanceOfPreferenceUnits
188	Payment of offering costs	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForShareIssueCosts
189	Cash distributions to GasLog in exchange for contribution of net assets	Concept (Monetary)	For Period	Credit	glop:PaymentsInExchangeForContributionOfNetAssets
190	Payments for IDR modification (including third-party fees)	Concept (Monetary)	For Period	Credit	glop:PaymentsForIdrsModificationIncludingFees
191	Distributions paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
192	Dividend paid to GasLog before vessel drop-down	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities
193	Net cash provided by/(used in) financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
194	(Decrease)/increase in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
195	Cash and cash equivalents, beginning of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
196	Cash and cash equivalents, end of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
197	Non-Cash Investing and Financing Activities:	Abstract			glop:IfrsNonCashInvestingAndFinancingItemsAbstract
198	Payment for vessels through capital contributions before drop-down	Concept (Monetary)	For Period	Credit	glop:PaymentForVesselsThroughCapitalContributions
199	Capital expenditures included in liabilities at the end of the year	Concept (Monetary)	For Period	Credit	glop:IfrsCapitalExpendituresIncurredButNotYetPaid
200	Financing costs paid through capital contributions	Concept (Monetary)	For Period	Credit	glop:FinancingCostsPaidThroughCapitalContributions
201	Offering costs included in liabilities at the end of the year	Concept (Monetary)	For Period	Credit	glop:OfferingCostsIncludedInLiabilitiesButNotYetPaid
202	Loan repayments made through capital contributions	Concept (Monetary)	For Period	Credit	glop:LoanRepaymentsMadeThroughCapitalContributions
203	Issuance of common units to GasLog in exchange for contribution of net assets	Concept (Monetary)	For Period	Credit	glop:IssuanceOfCommonUnitsInExchangeForContributionOfNetAssetsForCashFlow
204	10101 - Disclosure - Organization and Operations	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOrganizationAndOperations
205	Implied Table	Table	*	*	implied:Table
206	Organization and Operations	Abstract			glop:OrganizationAndOperationsAbstract
207	Organization and Operations	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
208	10201 - Disclosure - Significant Accounting Policies	Network	*	*	http://www.gaslogmlp.com/role/DisclosureSignificantAccountingPolicies
209	Implied Table	Table	*	*	implied:Table
210	Significant Accounting Policies	Abstract			glop:AccountingPolicyAbstract
211	Significant Accounting Policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
212	10301 - Disclosure - Vessels	Network	*	*	http://www.gaslogmlp.com/role/DisclosureVessels
213	Implied Table	Table	*	*	implied:Table
214	Vessels	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
215	Vessels	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
216	10401 - Disclosure - Trade and Other Receivables	Network	*	*	http://www.gaslogmlp.com/role/DisclosureTradeAndOtherReceivables
217	Implied Table	Table	*	*	implied:Table
218	Trade and Other Receivables	Abstract			ifrs-full:TradeAndOtherCurrentReceivablesAbstract
219	Trade and Other Receivables	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
220	10501 - Disclosure - Owners' Capital/Partners' Equity	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquity
221	Implied Table	Table	*	*	implied:Table
222	Owners' Capital/Partners' Equity	Abstract			ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
223	Owners' Capital/Partners' Equity	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
224	10601 - Disclosure - Borrowings	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowings
225	Implied Table	Table	*	*	implied:Table
226	Borrowings	Abstract			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
227	Borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBorrowingsExplanatory
228	10701 - Disclosure - Other Payables and Accruals	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOtherPayablesAndAccruals
229	Implied Table	Table	*	*	implied:Table
230	Other Payables and Accruals	Abstract			ifrs-full:MiscellaneousCurrentLiabilitiesAbstract
231	Other Payables and Accruals	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
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287	Taxation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
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295	Statement of compliance	Concept (Text Block (HTML))	For Period		ifrs-full:StatementOfIFRSCompliance
296	Basis of presentation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
297	Basis of consolidation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
298	Accounting for revenues and related operating expenses and voyage expenses and commissions	Concept (Text Block (HTML))	For Period		glop:DescriptionOfAccountingPolicyForRevenuesAndRelatedOperatingExpensesAndVoyageExpensesAndCommissionsPolicyTextBlock
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300	Financial income and costs	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
301	Foreign currencies	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
302	Deferred financing costs	Concept (Text Block (HTML))	For Period		glop:DescriptionOfAccountingPolicyForDeferredFinancingCostsForUndrawnFacilitiesPolicyTextBlock
303	Vessels	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
304	Impairment of vessels	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
305	Reimbursable capital expenditures	Concept (Text Block (HTML))	For Period		glop:DescriptionOfAccountingPolicyForReimbursableCapitalExpendituresPolicyTextBlock
306	Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
307	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
308	Financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
309	Segment information	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
310	Share-based compensation	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
311	Critical accounting judgments and key sources of estimation uncertainty	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
312	Adoption of new and revised IFRS	Concept (Text Block (HTML))	For Period		glop:DescriptionOfAccountingPolicyForAdoptionOfNewAndRevisedIfrsPolicyTextBlock
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316	Schedule of composition of the group	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCompositionOfGroupExplanatory
317	30203 - Disclosure - Significant Accounting Policies (Tables)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureSignificantAccountingPoliciesTables
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320	Schedule of expected useful lives	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory
321	30303 - Disclosure - Vessels (Tables)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureVesselsTables
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323	Vessels	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
324	Schedule of Vessels	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
325	30403 - Disclosure - Trade and Other Receivables (Tables)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureTradeAndOtherReceivablesTables
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328	Schedule of trade and other receivables	Concept (Text Block (HTML))	For Period		glop:DisclosureOfTradeAndOtherCurrentReceivablesTableTextBlock
329	30503 - Disclosure - Owners' Capital/Partners' Equity (Tables)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityTables
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333	Schedule of cash distributions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDividendsExplanatory
334	Schedule of distribution policy and profit allocation	Concept (Text Block (HTML))	For Period		glop:ScheduleOfDistributionPolicyAndProfitAllocationTableTextBlock
335	30603 - Disclosure - Borrowings (Tables)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsTables
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339	Borrowings repayment schedule	Concept (Text Block (HTML))	For Period		glop:MaturityAnalysisForPrincipalPaymentOfBorrowingsTableTextBlock
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343	Schedule of other payables and accruals	Concept (Text Block (HTML))	For Period		glop:DisclosureOfDetailedInformationAboutAccruedExpensesAndOtherLiabilitiesTextBlockExplanatory
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347	Schedule of revenues	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory
348	30903 - Disclosure - Voyage Expenses and Commissions (Tables)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureVoyageExpensesAndCommissionsTables
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477	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
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479	Property Plant And Equipment [Member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
480	LNG vessel component	Member			ifrs-full:ShipsMember
481	Dry-docking component	Member			glop:DryDockingMember
482	Useful lives of long lived assets	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
483	Vessel cost:	Abstract			glop:VesselsAbstract
484	Useful lives	Concept (xbrli:durationItemType)	For Period		glop:UsefulLivesPropertyPlantAndEquipment
485	40203 - Disclosure - Significant Accounting Policies - Segment information (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureSignificantAccountingPoliciesSegmentInformationDetails
486	Implied Table	Table	*	*	implied:Table
487	Significant Accounting Policies	Abstract			glop:AccountingPolicyAbstract
488	Number of LNG carriers owned by each vessel-owning company	Concept (Integer)	For Period		glop:NumberOfLngCarrierEachVesselOwningCompany
489	40204 - Disclosure - Significant Accounting Policies - Critical accounting judgments and key sources of estimation uncertainty (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureSignificantAccountingPoliciesCriticalAccountingJudgmentsAndKeySourcesOfEstimationUncertaintyDetails
490	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
491	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
492	Property Plant And Equipment [Member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
493	Steam vessels	Member			glop:SteamVesselsMember
494	TFDE vessels	Member			glop:TfdeVesselsMember
495	Range [axis]	Axis			ifrs-full:RangeAxis
496	Ranges [Member]	Member			ifrs-full:RangesMember
497	Average	Member			ifrs-full:WeightedAverageMember
498	Critical accounting judgements	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
499	Classification of the Partnership interests:	Abstract			glop:ClassificationOfPartnershipInterestsAbstract
500	Percentage of available cash required to be distributed	Concept (Percent)	For Period		glop:PercentPartnershipRequiredToDistributeAvailableCash
501	Number of days after quarter end to distribute cash to partner	Concept (xbrli:durationItemType)	For Period		glop:NumberOfDaysAfterQuarterCashDistributedToPartner
502	Impairment of vessels	Abstract			glop:ImpairmentOfVesselsAbstract
503	Utilization rate	Concept (Percent)	For Period		glop:UtilizationRate
504	Charter agreement term used to determine rate, up to December 31, 2023	Concept (xbrli:durationItemType)	For Period		glop:TermOfCharterAgreement
505	Charter market rate used (per day)	Concept (Monetary)	For Period	Credit	glop:CharterMarketRatePerDay
506	Number of years of historical average used to estimate the average time charter rate after January 1, 2024	Concept (xbrli:durationItemType)	For Period		glop:NumberOfYearsOfHistoricalAverage
507	Number of years of charter rates used to estimate the average time charter rate after January 1, 2024	Concept (xbrli:durationItemType)	For Period		glop:NumberOfYearsOfCharterRates
508	Break-even charter hire rate (per day)	Concept (Monetary)	For Period	Credit	glop:BreakEvenCharterHireRate
509	Charter hire rate used for sensitivity analysis (per day)	Concept (Monetary)	For Period	Credit	glop:CharterHireRateUsedForSensitivityAnalysis
510	Percentage of decrease in break-even charter hire rate for sensitivity analysis	Concept (Percent)	For Period		glop:PercentageOfDecreaseInBreakEvenCharterHireRateForSensitivityAnalysis
511	Aggregate impairment charge resulting from sensitivity analysis	Concept (Monetary)	For Period	Debit	glop:ImpairmentLossDueToPotentialDecreaseInAverageCharterRate
512	Annual escalation factor for operating expenses (as a percent)	Concept (Percent)	As Of		glop:PercentageOfAnnualOperatingEscalationFactor
513	Weighted average cost of capital	Concept (Percent)	As Of		glop:PercentageOfWeightedAverageCostOfCapital
514	Number of vessels with carrying amount higher than the charter free market values	Concept (Integer)	As Of		glop:NumberOfVessels
515	Impairment loss	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLoss
516	40205 - Disclosure - Significant Accounting Policies - Standards and amendments in issue not yet adopted (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureSignificantAccountingPoliciesStandardsAndAmendmentsInIssueNotYetAdoptedDetails
517	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
518	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
519	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
520	Increase (decrease) due to application of IFRS 16	Member			glop:IncreaseDecreaseDueToApplicationOfIfrs16Member
521	Disclosure of expected impact of initial application of new standards or interpretations	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
522	Assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
523	Retained earnings	Concept (Monetary)	As Of	Credit	ifrs-full:RetainedEarnings
524	Liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
525	40301 - Disclosure - Vessels (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureVesselsDetails
526	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
527	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
528	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
529	GAS-eleven Ltd.	Member			glop:GasElevenLtdMember
530	GAS-thirteen Ltd.	Member			glop:GasThirteenLtdMember
531	GAS-eight Ltd.	Member			glop:GasEightLtdMember
532	GAS-fourteen Ltd.	Member			glop:GasFourteenLtdMember
533	GAS-twenty seven Ltd.	Member			glop:GasTwentySevenLtdMember
534	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
535	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
536	Cost	Member			ifrs-full:GrossCarryingAmountMember
537	Accumulated depreciation	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
538	Vessels	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
539	Balance, at the beginning of the year	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
540	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
541	Depreciation expense	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
542	Fully amortized dry-docking component	Concept (Monetary)	For Period	Credit	ifrs-full:RetirementsPropertyPlantAndEquipment
543	Balance, at the end of the year	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
544	Percentage of ownership interest	Concept (Percent)	As Of		ifrs-full:PercentageOfVotingEquityInterestsAcquired
545	Aggregate purchase price	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
546	Cash transferred	Concept (Monetary)	As Of	Credit	ifrs-full:CashTransferred
547	Debt assumed	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesRecognisedAsOfAcquisitionDate
548	Proceeds from privately placed shares	Concept (Monetary)	As Of	Credit	ifrs-full:EquityInterestsOfAcquirer
549	Number of common units issued to GasLog in exchange for net assets contributions to the Partnership	Concept (Shares)	For Period		glop:NumberOfCommonUnitsIssuedInExchangeForContributionOfNetAssets
550	Offering price per unit	Concept (Share)	For Period		glop:SaleOfUnitsPricePerUnits
551	Adjustments in order to maintain agreed working capital	Concept (Monetary)	As Of	Debit	glop:AdjustmentsInOrderToMaintainAgreedWorkingCapitalPositionInAcquiredEntities
552	Minimum working capital	Concept (Monetary)	As Of	Debit	glop:MinimumWorkingCapitalPosition
553	40401 - Disclosure - Trade and Other Receivables (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureTradeAndOtherReceivablesDetails
554	Implied Table	Table	*	*	implied:Table
555	Trade and Other Receivables	Abstract			ifrs-full:TradeAndOtherCurrentReceivablesAbstract
556	Due from charterers	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
557	VAT receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentValueAddedTaxReceivables
558	Accrued income	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAccruedIncome
559	Insurance claims	Concept (Monetary)	As Of	Debit	glop:CurrentInsuranceClaims
560	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentReceivables
561	Total	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
562	40501 - Disclosure - Owners' Capital/Partners' Equity (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityDetails
563	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
564	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
565	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
566	All subsidiaries	Member			ifrs-full:SubsidiariesMember
567	Each subsidiary	Member			glop:EachSubsidiaryMember
568	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
569	Number of shares authorized	Concept (Shares)	As Of		ifrs-full:NumberOfSharesAuthorised
570	Par value per share	Concept (Share)	As Of		ifrs-full:ParValuePerShare
571	Number of shares issued	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssued
572	Number of shares outstanding	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
573	Share capital	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
574	Vote per share	Concept (Integer)	As Of		glop:NumberOfVotesPerShareOrUnit
575	40502 - Disclosure - Owners' Capital/Partners' Equity - Reconciliation (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityReconciliationDetails
576	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
577	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
578	Equity [member]	Member			ifrs-full:EquityMember
579	Total Owners' Capital	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
580	Share capital	Member			ifrs-full:IssuedCapitalMember
581	Contributed surplus	Member			ifrs-full:SharePremiumMember
582	Cash flow hedging reserve	Member			ifrs-full:ReserveOfCashFlowHedgesMember
583	Retained earnings	Member			ifrs-full:RetainedEarningsMember
584	Reconciliation of owners' capital	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
585	Balance as of beginning of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
586	Capital contributions	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughOtherContributionsByOwners
587	Profit attributable to GasLog's operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
588	Other comprehensive income attributable to GasLog's operations	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToOwnersOfParent
589	Total comprehensive income attributable to GasLog's operations	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
590	Net contribution to the Partnership	Concept (Monetary)	For Period	Debit	glop:ContributionToPartnership
591	Balance as of end of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
592	40503 - Disclosure - Owners' Capital/Partners' Equity - Equity offering (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityEquityOfferingDetails
593	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
594	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
595	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
596	Common units	Member			glop:CommonUnitsMember
597	Preference units	Member			glop:PreferenceUnitsMember
598	General partner units	Member			glop:GeneralPartnerUnitsMember
599	Ifrs Sale of Stock [Axis]	Axis			glop:IfrsSaleOfStockAxis
600	Sale of Stock [Domain]	Member			glop:SaleOfStockDomain
601	ATM Programme	Member			glop:AtMarketProgramMember
602	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
603	Entity [Domain]	Member			dei:EntityDomain
604	GasLog Ltd.	Member			ifrs-full:ParentMember
605	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
606	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
607	Underwriters	Member			glop:UnderwritersMember
608	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
609	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
610	RCUs	Member			glop:RestrictedCommonUnitsMember
611	PCUs	Member			glop:PerformanceCommonUnitsMember
612	Equity offering - Issuance of units and proceeds	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
613	Number of common units in public offering or general partner units	Concept (Shares)	For Period		glop:NumberOfCommonOrGeneralPartnerUnitsInPublicOffering
614	Number of preference units issued	Concept (Shares)	For Period		glop:NumberOfPreferenceUnitsInPublicOffering
615	Number of common units issued to GasLog in exchange for net assets contributions to the Partnership	Concept (Shares)	For Period		glop:NumberOfCommonUnitsIssuedInExchangeForContributionOfNetAssets
616	Number of common or general partner units issued in share-based payment	Concept (Shares)	For Period		glop:NumberOfUnitsIssuedInSettlementOfAwardsVestedDuringPeriod
617	Number of units vested during the period	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
618	Distribution rate	Concept (Percent)	For Period		glop:PreferenceUnitsDistributionRate
619	Liquidation preference per unit	Concept (Share)	For Period		glop:LiquidationPreferencePerUnit
620	Price per unit	Concept (Share)	For Period		glop:SaleOfUnitsPricePerUnits
621	General partner interest in GasLog Partners	Concept (Percent)	As Of		glop:OwnersProportionOfInterestInEntity
622	Net proceeds from issuance of units after deducting underwriting discount and other offering expenses	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromIssuingShares
623	Net proceeds from issuance of preference units	Concept (Monetary)	For Period	Credit	glop:NetProceedsFromPublicOfferingsAndIssuanceOfPreferenceUnits
624	Aggregate offering price	Concept (Monetary)	For Period	Debit	glop:AggregateOfferingPrice
625	Number of subordinated units converted into common units	Concept (Shares)	For Period		glop:NumberOfUnitsIssuedForConversionOfSubordinatedUnitsToCommonUnits
626	Conversion ratio of subordinated units to common units	Concept (Pure)	For Period		glop:SubordinatedUnitsToCommonUnitsConversionRatio
627	Number of units outstanding	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
628	40504 - Disclosure - Owners' Capital/Partners' Equity - Cash distribution (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityCashDistributionDetails
629	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
630	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
631	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
632	Common units	Member			glop:CommonUnitsMember
633	Series A preference units	Member			glop:SeriesPreferenceUnitsMember
634	Series B preference units	Member			glop:SeriesBPreferenceUnitsMember
635	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
636	Quarterly cash distribution declared	Concept (Share)	For Period		ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
637	Amount paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
638	40505 - Disclosure - Owners' Capital/Partners' Equity - Voting Rights (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityVotingRightsDetails
639	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
640	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
641	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
642	Common units	Member			glop:CommonUnitsMember
643	Preference units	Member			glop:PreferenceUnitsMember
644	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
645	Entity [Domain]	Member			dei:EntityDomain
646	General partner	Member			glop:GaslogPartnersGpLlcMember
647	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
648	Number of votes per unit	Concept (Integer)	As Of		glop:NumberOfVotesPerShareOrUnit
649	Percentage of units whose consent is required for certain events	Concept (Percent)	As Of		glop:PercentageOfUnitsWhoseConsentIsRequiredPriorToAmendmentInPartnershipAgreementOrIssuanceOfCertainSecurities
650	Maximum percentage of ownership that can be voted	Concept (Percent)	As Of		glop:MaximumPercentageOfOwnershipThatCanBeVoted
651	Minimum number of board of directors that may be elected in annual meeting	Concept (Integer)	As Of		glop:MinimumBoardOfDirectorsToElectedInAnnualMeeting
652	Number of directors that may be appointed	Concept (Integer)	As Of		glop:NumberOfDirectorsThatMaybeAppointed
653	Minimum number of quarterly periods of distributions in arrears for unitholders to become entitled to elect director	Concept (Integer)	As Of		glop:MinimumNumberOfQuarterlyPeriodsOfDistributionsInArrearsForUnitholdersToBecomeEntitledToElectDirector
654	40506 - Disclosure - Owners' Capital/Partners' Equity - General Partner Interest (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityGeneralPartnerInterestDetails
655	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
656	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
657	Entity [Domain]	Member			dei:EntityDomain
658	General partner	Member			glop:GaslogPartnersGpLlcMember
659	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
660	General partner interest in GasLog Partners	Concept (Percent)	As Of		glop:OwnersProportionOfInterestInEntity
661	40507 - Disclosure - Owners' Capital/Partners' Equity - Incentive Distribution Rights (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityIncentiveDistributionRightsDetails
662	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
663	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
664	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
665	Common units	Member			glop:CommonUnitsMember
666	General partner units	Member			glop:GeneralPartnerUnitsMember
667	Incentive distribution rights	Member			glop:IncentiveDistributionRightsMember
668	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
669	Entity [Domain]	Member			dei:EntityDomain
670	GasLog Ltd.	Member			ifrs-full:ParentMember
671	Distribution [axis]	Axis			glop:DistributionAxis
672	Distribution [member]	Member			glop:DistributionMember
673	Minimum Quarterly Distribution	Member			glop:MinimumQuarterlyDistributionMember
674	First Target Distribution	Member			glop:FirstTargetDistributionMember
675	Second Target Distribution	Member			glop:SecondTargetDistributionMember
676	Third Target Distribution	Member			glop:ThirdTargetDistributionMember
677	Thereafter	Member			glop:AfterThirdTargetDistributionMember
678	Range [axis]	Axis			ifrs-full:RangeAxis
679	Ranges [Member]	Member			ifrs-full:RangesMember
680	Minimum	Member			ifrs-full:BottomOfRangeMember
681	Maximum	Member			ifrs-full:TopOfRangeMember
682	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
683	Percentage of IDRs held	Concept (Percent)	For Period		glop:PercentageOfIdrsHeld
684	Payment in exchange for waiving of rights	Concept (Monetary)	As Of	Credit	glop:PaymentInExchangeOfWaivingOfRights
685	Total Quarterly Distribution Target Amount	Concept (Share)	For Period		glop:QuarterlyDistributionTargetAmount
686	Marginal percentage interest in distributions	Concept (Percent)	For Period		glop:MarginalPercentageInterestInDistributions
687	40508 - Disclosure - Owners' Capital/Partners' Equity - Subordinated Units (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquitySubordinatedUnitsDetails
688	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
689	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
690	Entity [Domain]	Member			dei:EntityDomain
691	GasLog Ltd.	Member			ifrs-full:ParentMember
692	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
693	Subordinated units minimum quarterly distribution	Concept (Share)	For Period		glop:SubordinatedUnitsMinimumQuarterlyDistribution
694	Minimum distribution on each outstanding common and subordinated unit for subordination period to end	Concept (Share)	For Period		glop:MinimumDistributionToCommonAndSubordinatedUnits
695	General partner interest in GasLog Partners	Concept (Percent)	As Of		glop:OwnersProportionOfInterestInEntity
696	Number of consecutive four-quarter periods to pay minimum distribution	Concept (Integer)	For Period		glop:NumberOfQuartersToPayMinimumDistribution
697	Conversion ratio of subordinated units to common units	Concept (Pure)	For Period		glop:SubordinatedUnitsToCommonUnitsConversionRatio
698	Number of subordinated units converted into common units	Concept (Shares)	For Period		glop:NumberOfUnitsIssuedForConversionOfSubordinatedUnitsToCommonUnits
699	40509 - Disclosure - Owners' Capital/Partners' Equity - Preference Units (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOwnersCapitalPartnersEquityPreferenceUnitsDetails
700	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
701	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
702	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
703	Series A preference units	Member			glop:SeriesPreferenceUnitsMember
704	Series B preference units	Member			glop:SeriesBPreferenceUnitsMember
705	Series C preference units	Member			glop:SeriesCPreferenceUnitsMember
706	Owners' Capital/Partners' Equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
707	Distribution rate	Concept (Percent)	For Period		glop:PreferenceUnitsDistributionRate
708	Liquidation preference per unit	Concept (Share)	For Period		glop:LiquidationPreferencePerUnit
709	Variable rate	Concept (Percent)	For Period		glop:PreferenceUnitsBasisSpreadOnVariableRate
710	40601 - Disclosure - Borrowings (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsDetails
711	Implied Table	Table	*	*	implied:Table
712	Borrowings	Abstract			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
713	Amounts due within one year	Concept (Monetary)	As Of	Credit	glop:CurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowingsBeforeUnamortisedCosts
714	Less: unamortized deferred loan issuance costs	Concept (Monetary)	As Of	Debit	glop:CurrentPortionOfUnamortizedDeferredLoanIssuanceCosts
715	Borrowings-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
716	Amounts due after one year	Concept (Monetary)	As Of	Credit	glop:NonCurrentPortionOfNonCurrentBorrowings
717	Less: unamortized deferred loan issuance costs	Concept (Monetary)	As Of	Debit	glop:NonCurrentPortionOfUnamortizedDeferredLoanIssuanceCosts
718	Borrowings-non-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
719	Total	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
720	40602 - Disclosure - Borrowings - Terminated Facilities (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsTerminatedFacilitiesDetails
721	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
722	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
723	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
724	Citibank N.A. London Branch facility	Member			glop:CitibankN.a.LondonBranchFacilityMember
725	Credit Suisse AG facility	Member			glop:CreditSuisseAgFacilityMember
726	DnB Bank ASA, Commonwealth Bank of Australia, Danish Ship Finance A/S, ING Bank N.V. and Skandinaviska Enskilda Banken AB (publ) facility	Member			glop:DnbBankAsaCommonwealthBankOfAustraliaDanishShipFinanceSIngBankN.v.AndSkandinaviskaEnskildaBankenAbMember
727	ABN Amro Bank N.V., Commonwealth Bank of Australia, Credit Agricole Corporate and Investment Bank, Deutsche Bank AG Filiale Deutschlandgeschaft and DNB Bank ASA, London Branch and ING Bank N.V., London Branch Senior secured term loan facility	Member			glop:AbnBN.v.CBOfCCAndIBDBAgFilialeDeutschlandgeschaftAndDnbBankAsaLBAndIngBankN.v.LBSeniorSecuredTermLoanFacilityMember
728	ABN Amro Bank N.V., Commonwealth Bank of Australia, Credit Agricole Corporate and Investment Bank, Deutsche Bank AG Filiale Deutschlandgeschaft and DNB Bank ASA, London Branch and ING Bank N.V., London Branch Subordinated term loan facility	Member			glop:AbnBN.v.CBOfCCAndIBDBAgFilialeDeutschlandgeschaftAndDnbBankAsaLBAndIngBankN.v.LBSubordinatedTermLoanFacilityMember
729	Borrowings	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
730	Loan Agreement amount	Concept (Monetary)	As Of	Credit	glop:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
731	Number of LNG vessels financed	Concept (Integer)	As Of		glop:NumberOfLngVesselsAcquired
732	Drawn amount	Concept (Monetary)	For Period	Debit	glop:LineOfCreditFacilityDrawnAmount
733	Borrowings repayments	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
734	Prepaid amount of debt	Concept (Monetary)	For Period	Credit	glop:PrepaymentOfDebtInstrument
735	Facility term repayable	Concept (xbrli:durationItemType)	For Period		glop:TermOfDebtInstrument
736	Debt assumed from acquired entities	Concept (Monetary)	As Of	Credit	ifrs-full:BorrowingsRecognisedAsOfAcquisitionDate
737	40603 - Disclosure - Borrowings - Existing Facilities (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsExistingFacilitiesDetails
738	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
739	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
740	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
741	Citibank N.A., London Branch, Nordea Bank Finland PLC London Branch, DVB Bank America N.V., ABN Amro Bank N.V., Skandinaviska Enskilda Banken AB and BNP Paribas facility	Member			glop:CitibankN.a.LondonBranchNordeaBankFinlandPlcLondonBranchDvbBankAmericaN.v.AbnAmroBankN.v.SkandinaviskaEnskildaBankenAbAndBnpParibasMember
742	Five Vessel Refinancing	Member			glop:FiveVesselRefinancingMember
743	Five-year senior tranche facility	Member			glop:FiveYearSeniorTrancheFacilityMember
744	Two-year bullet junior tranche facility	Member			glop:TwoYearBulletJuniorTrancheFacilityMember
745	Citigroup Global Market Limited, Credit Suisse AG, Nordea Bank AB, Skandinaviska Enskilda Banken AB (publ), HSBC Bank Plc, ING Bank N.V., London Branch, Danmarks Skibskredit A/S, Korea Development Bank and DVB Bank America N.V (Legacy Facility Refinancing)	Member			glop:CGMLimitedCSGNBBSEBBPublHsbcBankPlcIngBankN.v.LondonBranchDanmarksSkibskreditSKoreaDevelopmentBankAndDvbBankAmericaN.vMember
746	Citigroup Global Market Limited, Credit Suisse AG, Nordea Bank AB, Skandinaviska Enskilda Banken AB (publ), HSBC Bank Plc, ING Bank N.V., London Branch, Danmarks Skibskredit A/S, Korea Development Bank and DVB Bank America N.V (Term loan facility)	Member			glop:TermLoanFacilityMember
747	Citigroup Global Market Limited, Credit Suisse AG, Nordea Bank AB, Skandinaviska Enskilda Banken AB (publ), HSBC Bank Plc, ING Bank N.V., London Branch, Danmarks Skibskredit A/S, Korea Development Bank and DVB Bank America N.V (Revolving credit facility)	Member			glop:RevolvingLoanFacilityMember
748	GAS-eleven, GAS-thirteen and GAS-fourteen Ltd.	Member			glop:GasElevenLtdGasThirteenLtdAndGasFourteenMember
749	KEXIM and K-Sure	Member			glop:KoreaAndKoreaTradeInsuranceCorporationMember
750	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
751	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
752	GAS-twenty seven Ltd.	Member			glop:GasTwentySevenLtdMember
753	GAS-seven Ltd.	Member			glop:GasSevenLtdMember
754	GAS-eight Ltd.	Member			glop:GasEightLtdMember
755	GAS-eleven Ltd.	Member			glop:GasElevenLtdMember
756	GAS-thirteen Ltd.	Member			glop:GasThirteenLtdMember
757	GAS-fourteen Ltd.	Member			glop:GasFourteenLtdMember
758	Range [axis]	Axis			ifrs-full:RangeAxis
759	Ranges [Member]	Member			ifrs-full:RangesMember
760	Maximum	Member			ifrs-full:TopOfRangeMember
761	Borrowings	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
762	Amount of credit facility	Concept (Monetary)	As Of	Credit	glop:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
763	Number of quarterly repayable installments	Concept (Integer)	As Of		glop:NumberOfDebtRepayableInstallments
764	Number of semi annual installments	Concept (Integer)	As Of		glop:NumberOfInstallmentsRepayableInSemiAnnually
765	Amount outstanding	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
766	Term of debt instrument	Concept (xbrli:durationItemType)	For Period		glop:TermOfDebtInstrument
767	Installment amount	Concept (Monetary)	As Of	Credit	glop:PeriodicPaymentOfDebtInstrument
768	Final balloon payment	Concept (Monetary)	As Of	Credit	glop:PeriodicPaymentOfDebtInstrumentInTermsBalloonPaymentToBePaid
769	Prepaid amount of debt	Concept (Monetary)	For Period	Credit	glop:PrepaymentOfDebtInstrument
770	Refinance of outstanding debt	Concept (Monetary)	For Period	Credit	glop:RefinanceOfOutstandingDebt
771	Drawn amount	Concept (Monetary)	For Period	Debit	glop:LineOfCreditFacilityDrawnAmount
772	Amount repaid	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
773	Number of water vessels refinanced	Concept (Integer)	For Period		glop:NumberOfWaterVesselsRefinanced
774	Number of existing credit facilities being refinanced	Concept (Integer)	For Period		glop:NumberOfExistingCreditFacilities
775	Unamortized loan fees written off to profit or loss	Concept (Monetary)	For Period	Debit	glop:WriteOffOfUnamortizedDeferredLoanIssuanceCostsRelatedToRefinancingOfCreditFacility
776	Debt assumed from acquired entities	Concept (Monetary)	As Of	Credit	ifrs-full:BorrowingsRecognisedAsOfAcquisitionDate
777	Number of international banks	Concept (Integer)	As Of		glop:NumberOfInternationalBanks
778	Percentage of finance coverage	Concept (Percent)	For Period		glop:PercentageOfFinanceCoverage
779	Number of tranches in loan agreement	Concept (Integer)	As Of		glop:NumberOfTranchesInLoanAgreement
780	Loan agreement amount tranche one	Concept (Monetary)	As Of	Credit	glop:LineOfCreditFacilityMaximumBorrowingCapacityTrancheOne
781	Loan agreement amount tranche two	Concept (Monetary)	As Of	Credit	glop:LineOfCreditFacilityMaximumBorrowingCapacityTrancheTwo
782	Loan agreement amount tranche three	Concept (Monetary)	As Of	Credit	glop:LineOfCreditFacilityMaximumBorrowingCapacityTrancheThree
783	Loan agreement amount tranche four	Concept (Monetary)	For Period	Debit	glop:LineOfCreditFacilityMaximumBorrowingCapacityTrancheFour
784	Number of semi annual installments for first three tranches	Concept (Integer)	As Of		glop:NumberOfInstallmentsRepayableInSemiAnnuallyForFirstThreeTranches
785	Number of years in profile for first three tranches	Concept (xbrli:durationItemType)	For Period		glop:NumberOfYearsInProfileForFirstThreeTranches
786	Number of years in profile for fourth tranche	Concept (xbrli:durationItemType)	For Period		glop:NumberOfYearsInProfileForFourthTranche
787	Number of semi annual installments for the fourth tranche	Concept (Integer)	As Of		glop:NumberOfInstallmentsRepayableInSemiAnnuallyForFourthTranche
788	40604 - Disclosure - Borrowings - Securities Covenants and Guarantees (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsSecuritiesCovenantsAndGuaranteesDetails
789	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
790	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
791	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
792	Partnership Facility, Five Vessel Refinancing, and Legacy Facility Refinancing	Member			glop:PartnershipFacilityFiveVesselRefinancingAndLegacyFacilityRefinancingMember
793	October 2015 Facility	Member			glop:October2015FacilityMember
794	Partnership Facility and Five Vessel Refinancing	Member			glop:PartnershipFacilityAndFiveVesselRefinancingMember
795	Five Vessel Refinancing, Legacy Facility Refinancing and October 2015 Facility	Member			glop:FiveVesselRefinancingLegacyFacilityRefinancingAndOctober2015FacilityMember
796	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
797	Entity [Domain]	Member			dei:EntityDomain
798	GasLog and subsidiaries	Member			glop:GaslogAndSubsidiariesMember
799	Borrowings	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
800	Minimum percentage of market value of any additional security provided to the lenders on the outstanding amount	Concept (Percent)	For Period		glop:MinimumPercentageOfMarketValueOfAnyAdditionalSecurityProvidedToLendersOnOutstandingAmountOfFacility
801	Minimum percentage of market value of any additional security provided to the lenders for the first two years on the outstanding amount	Concept (Percent)	For Period		glop:MinimumPercentageOfMarketValueOfAnyAdditionalSecurityProvidedToLendersForFirstTwoYearsOnOutstandingAmountOfFacility
802	Minimum percentage of market value of any additional security provided to the lenders after the first two years on the outstanding amount	Concept (Percent)	For Period		glop:MinimumPercentageOfMarketValueOfAnyAdditionalSecurityProvidedToLendersAfterFirstTwoYearsOfOutstandingAmountOfFacility
803	Minimum liquidity required at all times	Concept (Monetary)	For Period	Credit	glop:MinimumLiquidityAtAllTimes
804	Minimum percentage of unencumbered cash and cash equivalents to total indebtedness	Concept (Percent)	For Period		glop:MinimumPercentageOfUnencumberedCashAndCashEquivalentsToTotalIndebtedness
805	Minimum amount of unencumbered cash and cash equivalents	Concept (Monetary)	For Period	Debit	glop:MinimumAmountOfUnencumberedCashAndCashEquivalents
806	Maximum percentage of total indebtedness to total assets	Concept (Percent)	For Period		glop:MaximumPercentageOfTotalIndebtednessToTotalAssets
807	Minimum percentage of EBITDA over debt service obligations on a trailing 12 month basis	Concept (Percent)	For Period		glop:MinimumPercentageOfEbitdaOverDebtServiceObligations
808	Minimum amount of net working capital (excluding the current portion of long-term debt)	Concept (Monetary)	As Of	Debit	glop:MinimumAmountOfNetWorkingCapitalExcludingCurrentPortionOfLongTermDebt
809	Minimum percentage of unencumbered cash and cash equivalents to total indebtedness, to pay dividends	Concept (Percent)	For Period		glop:MinimumPercentageOfUnencumberedCashAndCashEquivalentsToTotalIndebtednessToPayDividends
810	Minimum market value adjusted net worth	Concept (Monetary)	For Period	Credit	glop:MinimumAdjustedNetWorthMarketValue
811	40605 - Disclosure - Borrowings - Loan From Related Parties (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsLoanFromRelatedPartiesDetails
812	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
813	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
814	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
815	Loan from related parties old sponsor revolving credit facility	Member			glop:LoanFromRelatedPartiesOldSponsorRevolvingCreditFacilityMember
816	Loan from related parties new sponsor credit facility	Member			glop:LoanFromRelatedPartiesNewSponsorCreditFacilityMember
817	Term loan new sponsor credit facility	Member			glop:TermLoanNewSponsorCreditFacilityMember
818	Revolving credit new sponsor facility	Member			glop:LoanFromRelatedPartiesNewSponsorRevolvingCreditFacilityMember
819	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
820	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
821	GAS-nineteen Ltd., GAS-twenty Ltd. and GAS-twenty-one Ltd.	Member			glop:GasNineteenGasTwentyAndGasTwentyOneLtdMember
822	Borrowings	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
823	Amount of credit facility	Concept (Monetary)	As Of	Credit	glop:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
824	Facility availability period	Concept (xbrli:durationItemType)	For Period		glop:TermOfDebtInstrument
825	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
826	Percentage of commitment fee on the undrawn balance	Concept (Percent)	For Period		glop:LineOfCreditFacilityUnusedCapacityCommitmentsFeePercentage
827	Time period for each advance drawn repayable after drawdown date	Concept (xbrli:durationItemType)	For Period		glop:TimePeriodForEachAdvanceDrawnRepayableAfterDrawdownDate
828	Borrowings outstanding balance	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
829	Borrowings repayments	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
830	Drawn amount	Concept (Monetary)	For Period	Debit	glop:LineOfCreditFacilityDrawnAmount
831	Prepayment of debt	Concept (Monetary)	For Period	Credit	glop:PrepaymentOfDebt
832	Unamortized loan fees written off to profit or loss	Concept (Monetary)	For Period	Debit	glop:WriteOffOfUnamortizedDeferredLoanIssuanceCostsRelatedToRefinancingOfCreditFacility
833	40606 - Disclosure - Borrowings - Repayment Schedule (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureBorrowingsRepaymentScheduleDetails
834	Disclosure of maturity analysis for non-derivative financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
835	Maturity [axis]	Axis			ifrs-full:MaturityAxis
836	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
837	Not later than one year	Member			ifrs-full:NotLaterThanOneYearMember
838	Later than one year and not later than three years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
839	Later than three years and not later than five years	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
840	Later than five years	Member			ifrs-full:LaterThanFiveYearsMember
841	Range [axis]	Axis			ifrs-full:RangeAxis
842	Ranges [Member]	Member			ifrs-full:RangesMember
843	Average	Member			ifrs-full:WeightedAverageMember
844	Borrowings Repayment Schedule	LineItems			ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
845	Principal repayments of the borrowings	Concept (Monetary)	As Of	Credit	glop:PrincipalRepaymentsOfBorrowings
846	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
847	Fair value of bank facilities	Concept (Monetary)	As Of	Credit	glop:FairValueOfBankFacilities
848	40701 - Disclosure - Other Payables and Accruals (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureOtherPayablesAndAccrualsDetails
849	Implied Table	Table	*	*	implied:Table
850	Other Payables and Accruals	Abstract			ifrs-full:MiscellaneousCurrentLiabilitiesAbstract
851	Unearned revenue	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAdvances
852	Accrued legal and professional fees	Concept (Monetary)	As Of	Credit	glop:CurrentLegalAndProfessionalFees
853	Accrued crew cost	Concept (Monetary)	As Of	Credit	glop:CurrentCrewCost
854	Accrued off-hire	Concept (Monetary)	As Of	Credit	glop:CurrentOffhirePayable
855	Accrued payable to charterers	Concept (Monetary)	As Of	Credit	glop:CurrentPayableToCharterers
856	Accrued purchases	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentPayablesForPurchaseOfNoncurrentAssets
857	Accrued interest	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentInterestPayable
858	Accrued board of directors' fees	Concept (Monetary)	As Of	Credit	glop:CurrentBoardOfDirectorsFee
859	Accrued cash distributions	Concept (Monetary)	As Of	Credit	glop:CurrentCashDistributionsPayable
860	Other payables and accruals	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentLiabilities
861	Total	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
862	40801 - Disclosure - Revenues (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureRevenuesDetails
863	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
864	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
865	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
866	Time charters	Member			glop:TimeChartersMember
867	Cool pool service	Member			glop:CoolPoolServicesMember
868	Revenues	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
869	Revenues	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
870	Net pool allocation	Concept (Monetary)	For Period	Credit	glop:NetPoolAllocation
871	40901 - Disclosure - Voyage Expenses and Commissions (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureVoyageExpensesAndCommissionsDetails
872	Implied Table	Table	*	*	implied:Table
873	Voyage Expenses and Commission	Abstract			glop:VoyageExpensesAndCommissionsAbstract
874	Brokers' commissions on revenues	Concept (Monetary)	For Period	Debit	ifrs-full:FeeAndCommissionExpense
875	Bunkers' consumption and other voyage expenses	Concept (Monetary)	For Period	Debit	glop:BunkersConsumptionAndOtherVoyageExpenses
876	Total	Concept (Monetary)	For Period	Debit	glop:VoyageExpensesAndCommissions
877	41001 - Disclosure - General and Administrative Expenses (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureGeneralAndAdministrativeExpensesDetails
878	Implied Table	Table	*	*	implied:Table
879	General and Administrative Expenses	Abstract			glop:GeneralAndAdministrativeExpensesAbstract
880	Administrative fees (Note 13)	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
881	Commercial management fees (Note 13)	Concept (Monetary)	For Period	Debit	glop:CommercialManagementFees
882	Share-based compensation (Note 20)	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
883	Other expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByNature
884	Total	Concept (Monetary)	For Period	Debit	ifrs-full:GeneralAndAdministrativeExpense
885	41101 - Disclosure - Vessel Operating Costs (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureVesselOperatingCostsDetails
886	Implied Table	Table	*	*	implied:Table
887	Vessel Operating Costs	Abstract			glop:VesselOperatingCostsAbstract
888	Crew costs	Concept (Monetary)	For Period	Debit	ifrs-full:WagesAndSalaries
889	Technical maintenance expenses	Concept (Monetary)	For Period	Debit	glop:TechnicalMaintenanceExpenses
890	Other operating expenses	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
891	Total	Concept (Monetary)	For Period	Debit	glop:VesselOperatingCosts
892	41201 - Disclosure - Net Financial Income and Costs (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureNetFinancialIncomeAndCostsDetails
893	Implied Table	Table	*	*	implied:Table
894	Net Financial Income and Costs	Abstract			glop:FinancialIncomeAndCostsAbstract
895	Financial income	Abstract			glop:FinancialIncomeAbstract
896	Financial income	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromInterest
897	Total financial income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
898	Financial costs	Abstract			glop:FinancialCostsAbstract
899	Amortization of deferred loan issuance costs	Concept (Monetary)	For Period	Debit	glop:AmortizationOfDeferredLoanIssuanceCosts
900	Interest expense on loans	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnBankLoansAndOverdrafts
901	Commitment fees	Concept (Monetary)	For Period	Debit	glop:CommitmentFees
902	Other financial costs	Concept (Monetary)	For Period	Debit	ifrs-full:OtherFinanceCost
903	Total financial costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
904	Unamortized loan fees written off to profit or loss	Concept (Monetary)	For Period	Debit	glop:WriteOffOfUnamortizedDeferredLoanIssuanceCostsRelatedToRefinancingOfCreditFacility
905	41301 - Disclosure - Related party transactions - Balances (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureRelatedPartyTransactionsBalancesDetails
906	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
907	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
908	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
909	Cool Pool	Member			glop:CoolPoolMember
910	GasLog LNG Services	Member			glop:GaslogLngServicesLtdMember
911	GasLog Ltd.	Member			ifrs-full:ParentMember
912	GasLog Carriers	Member			glop:GaslogCarriersLtdMember
913	Related Party Transactions	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
914	Balances with related parties	Abstract			ifrs-full:OutstandingBalancesForRelatedPartyTransactionsAbstract
915	Amounts due from related parties	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
916	Amounts due to related parties	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
917	Loans due to related parties	Concept (Monetary)	As Of	Credit	glop:LoansDueToRelatedParties
918	41302 - Disclosure - Related party transactions - Summary of Transactions (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureRelatedPartyTransactionsSummaryOfTransactionsDetails
919	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
920	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
921	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
922	GasLog Ltd.	Member			ifrs-full:ParentMember
923	GasLog LNG Services	Member			glop:GaslogLngServicesLtdMember
924	Cool Pool	Member			glop:CoolPoolMember
925	Related Party Transaction [Axis]	Axis			glop:IfrsRelatedPartyTransactionAxis
926	IFRS Related Party Transaction [Domain]	Member			glop:IfrsRelatedPartyTransactionDomain
927	Construction supervision fees	Member			glop:ShipbuildingSupervisionAgreementsMember
928	Commercial management fee	Member			glop:RelatedPartyCommercialManagementFeeMember
929	Administrative services fee	Member			glop:RelatedPartyAdministrativeServicesFeeMember
930	Management fees and other vessel management expenses	Member			glop:RelatedPartyManagementFeesAndOtherVesselManagementExpensesMember
931	Other vessel operating costs	Member			glop:RelatedPartyOtherVesselOperatingCostsMember
932	Interest on revolving credit facility	Member			glop:InterestOnRevolvingCreditFacilityMember
933	Commitment fee on revolving credit facility	Member			glop:CommitmentFeeOnRevolvingCreditFacilityMember
934	Interest on interest rate swaps	Member			glop:InterestOnInterestRateSwapsMember
935	Realized loss on forward foreign exchange contracts held for trading	Member			glop:RealizedLossOnForwardForeignExchangeContractsHeldForTradingMember
936	Compensation for lost hire	Member			glop:CompensationForLostHireMember
937	Adjustment for net pool allocation	Member			glop:AdjustmentForNetPoolAllocationMember
938	Related Party Transactions.	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
939	Transactions	Abstract			ifrs-full:RelatedPartyTransactionsAbstract
940	Vessels	Concept (Monetary)	For Period	Debit	glop:ConstructionSupervisionFeeForVesselsCapitalised
941	General and administrative expense	Concept (Monetary)	For Period	Debit	ifrs-full:GeneralAndAdministrativeExpense
942	Vessel operating costs	Concept (Monetary)	For Period	Debit	glop:VesselOperatingCosts
943	Interest expense	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnBorrowings
944	Other financial costs	Concept (Monetary)	For Period	Debit	ifrs-full:OtherFinanceCost
945	(Loss)/gain on derivatives	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
946	Revenues	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
947	Net pool allocation	Concept (Monetary)	For Period	Credit	glop:NetPoolAllocation
948	41303 - Disclosure - Related party transactions - General (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureRelatedPartyTransactionsGeneralDetails
949	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
950	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
951	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
952	GasLog Ltd.	Member			ifrs-full:ParentMember
953	GasLog LNG Services	Member			glop:GaslogLngServicesLtdMember
954	Related Party Transaction [Axis]	Axis			glop:IfrsRelatedPartyTransactionAxis
955	IFRS Related Party Transaction [Domain]	Member			glop:IfrsRelatedPartyTransactionDomain
956	Construction supervision fees	Member			glop:ShipbuildingSupervisionAgreementsMember
957	Commercial management fee	Member			glop:RelatedPartyCommercialManagementFeeMember
958	Administrative services fee	Member			glop:RelatedPartyAdministrativeServicesFeeMember
959	Management fees and other vessel management expenses	Member			glop:RelatedPartyManagementFeesAndOtherVesselManagementExpensesMember
960	Omnibus Agreement	Member			glop:OmnibusAgreementMember
961	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
962	Entity [Domain]	Member			dei:EntityDomain
963	GAS-eleven, GAS-thirteen and GAS-fourteen Ltd.	Member			glop:GasElevenLtdGasThirteenLtdAndGasFourteenMember
964	GAS-three Ltd., GAS-four Ltd., and GAS-five Ltd.	Member			glop:GasThreeGasFourAndGasFiveLtdMember
965	GAS-seven Ltd.	Member			glop:GasSevenLtdMember
966	GAS-eight Ltd.	Member			glop:GasEightLtdMember
967	GAS-eleven Ltd.	Member			glop:GasElevenLtdMember
968	GAS-thirteen Ltd.	Member			glop:GasThirteenLtdMember
969	GAS-fourteen Ltd.	Member			glop:GasFourteenLtdMember
970	GAS-sixteen Ltd. and GAS-seventeen Ltd.	Member			glop:GasSixteenAndGasSeventeenLtdMember
971	GAS-nineteen Ltd., GAS-twenty Ltd. and GAS-twenty-one Ltd.	Member			glop:GasNineteenGasTwentyAndGasTwentyOneLtdMember
972	GAS-twenty seven Ltd.	Member			glop:GasTwentySevenLtdMember
973	Range [axis]	Axis			ifrs-full:RangeAxis
974	Ranges [Member]	Member			ifrs-full:RangesMember
975	Minimum	Member			ifrs-full:BottomOfRangeMember
976	Maximum	Member			ifrs-full:TopOfRangeMember
977	Related Party Transactions.	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
978	Site inspection monthly charge	Concept (Monetary)	For Period	Debit	glop:SiteInspectionChargesPerMonth
979	Annual fee per vessel	Concept (Monetary)	For Period	Debit	glop:AnnualFeePerVessel
980	Termination notice period	Concept (xbrli:durationItemType)	For Period		glop:TerminationNoticePeriod
981	Management fee fixed monthly charge per vessel	Concept (Monetary)	For Period	Debit	glop:ManagementFeeFixedMonthlyChargePerVessel
982	Superintendent fee per day upon threshold number of days	Concept (Monetary)	For Period	Debit	glop:SuperintendentFeePerDay
983	Threshold number of days for superintendent fee	Concept (xbrli:durationItemType)	For Period		glop:SuperintendentFeeThresholdNumberOfDays
984	Annual incentive bonus	Concept (Monetary)	For Period	Debit	glop:AnnualIncentiveBonus
985	Maximum term of charter related to certain rights of first offer	Concept (xbrli:durationItemType)	For Period		glop:MaximumTermOfAgreement
986	41401 - Disclosure - Commitments and Contingencies (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureCommitmentsAndContingenciesDetails
987	Commitments And Guarantees [Table]	Table	*	*	glop:CommitmentsAndGuaranteesTable
988	Maturity [axis]	Axis			ifrs-full:MaturityAxis
989	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
990	Not later than one year	Member			ifrs-full:NotLaterThanOneYearMember
991	Later than one year and not later than three years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
992	Later than three years and not later than five years	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
993	Later than five years	Member			ifrs-full:LaterThanFiveYearsMember
994	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
995	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
996	GasLog LNG Services	Member			glop:GaslogLngServicesLtdMember
997	BG Group	Member			glop:BgGroupMember
998	Wartsila Greece	Member			glop:WartsilaGreeceMember
999	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
1000	Entity [Domain]	Member			dei:EntityDomain
1001	GasLog LNG Services	Member			glop:GaslogLngServicesLtdMember
1002	Commitment By Category Or Type Of Item Purchased [Axis]	Axis			glop:CommitmentByCategoryOrTypeOfItemPurchasedAxis
1003	Commitment Category [Member]	Member			glop:CommitmentCategoryMember
1004	Enhancement of operational performance	Member			glop:EnhancementOfOperationalPerformanceMember
1005	Purchase of depot spares	Member			glop:PurchaseOfDepotSparesMember
1006	Leases - Future gross minimum revenues receivable	LineItems			glop:CommitmentsAndGuaranteesLineItems
1007	Number of assumed off-hire days when each vessel will undergo scheduled dry-docking	Concept (xbrli:durationItemType)	For Period		glop:NumberOfOffHireDaysAssumedInTimeCharterAgreement
1008	Future gross minimum revenues	Concept (Monetary)	As Of	Debit	ifrs-full:MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease
1009	Other commitments and contingencies	Abstract			glop:OtherCommitmentsAndContingenciesAbstract
1010	Capital commitment	Concept (Monetary)	As Of	Credit	ifrs-full:ContractualCapitalCommitments
1011	Percentage of depot spares purchase commitment	Concept (Percent)	As Of		glop:ContractualCapitalCommitmentPercent
1012	Depot spares purchased and paid	Concept (Monetary)	As Of	Debit	ifrs-full:SpareParts
1013	Number of vessels under maintenance agreement	Concept (Integer)	As Of		glop:NumberOfVesselsUnderMaintenanceAgreement
1014	41501 - Disclosure - Financial Risk Management - Interest Rate Risk and Currency Risk (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureFinancialRiskManagementInterestRateRiskAndCurrencyRiskDetails
1015	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
1016	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1017	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1018	Interest rate risk	Member			ifrs-full:InterestRateRiskMember
1019	Currency risk	Member			ifrs-full:CurrencyRiskMember
1020	Types of interest rates [axis]	Axis			ifrs-full:TypesOfInterestRatesAxis
1021	Interest rate types [member]	Member			ifrs-full:InterestRateTypesMember
1022	Floating interest rate	Member			ifrs-full:FloatingInterestRateMember
1023	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1024	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
1025	Interest rate swaps	Member			ifrs-full:InterestRateSwapContractMember
1026	Currency [Axis]	Axis			srt:CurrencyAxis
1027	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
1028	EUR	Member			currency:EUR
1029	Financial Risk Management	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
1030	Percent of variable interest rate exposure hedged	Concept (Percent)	As Of		glop:VariableInterestRateExposureHedgedPercent
1031	Principal amount of debt not hedged	Concept (Monetary)	As Of	Credit	glop:PrincipalAmountOfDebtNotHedged
1032	Interest rate basis	Concept (Text/String)	For Period		ifrs-full:BorrowingsInterestRateBasis
1033	Sensitivity analysis, increase (decrease) in interest rate	Concept (Percent)	As Of		glop:InterestRateSensitivityIncreaseDecrease
1034	Increase (decrease) in profit or loss due to reasonably possible increase in assumption	Concept (Monetary)	For Period	Credit	glop:IncreaseDecreaseInProfitOrLossDueToReasonablyPossibleIncreaseInAssumption
1035	Fair value of interest rate swaps / net asset	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1036	Increase in fair value due to reasonably possible increase in interest rates	Concept (Monetary)	As Of	Debit	glop:IncreaseDecreaseInFairValueDueToReasonablyPossibleIncreaseInInterestRates
1037	Operating and administrative expenses denominated in euros	Concept (Monetary)	For Period	Debit	glop:OperatingAndAdministrativeExpenses
1038	Trade payables and accruals denominated in euros	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
1039	Sensitivity analysis, increase (decrease) in EUR/USD exchange rate	Concept (Percent)	As Of		glop:ExchangeRateRiskSensitivityIncreaseDecrease
1040	Increase (decrease) in profit and cash flows	Concept (Monetary)	For Period	Credit	glop:IncreaseDecreaseInProfitAndCashFlows
1041	41502 - Disclosure - Financial Risk Management - Liquidity Risk (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureFinancialRiskManagementLiquidityRiskDetails
1042	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
1043	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1044	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1045	Liquidity risk	Member			ifrs-full:LiquidityRiskMember
1046	Types of interest rates [axis]	Axis			ifrs-full:TypesOfInterestRatesAxis
1047	Interest rate types [member]	Member			ifrs-full:InterestRateTypesMember
1048	Floating interest rate	Member			ifrs-full:FloatingInterestRateMember
1049	Fixed interest rate	Member			ifrs-full:FixedInterestRateMember
1050	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
1051	Financial liabilities, class [member]	Member			ifrs-full:FinancialLiabilitiesMember
1052	Trade accounts payable	Member			glop:TradeAccountsPayableMember
1053	Liabilities due to related parties	Member			glop:LiabilitiesDueToRelatedPartiesMember
1054	Other payables and accruals	Member			glop:OtherPayablesAndAccrualsMember
1055	Other non-current liability	Member			glop:OtherNonCurrentLiabilityMember
1056	Loans received	Member			glop:LoansReceivedMember
1057	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1058	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1059	Interest rate swaps	Member			ifrs-full:InterestRateSwapContractMember
1060	Forward foreign exchange contracts	Member			ifrs-full:ForwardContractMember
1061	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1062	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1063	Loan from related parties old sponsor revolving credit facility	Member			glop:LoanFromRelatedPartiesOldSponsorRevolvingCreditFacilityMember
1064	Citigroup Global Market Limited, Credit Suisse AG, Nordea Bank AB, Skandinaviska Enskilda Banken AB (publ), HSBC Bank Plc, ING Bank N.V., London Branch, Danmarks Skibskredit A/S, Korea Development Bank and DVB Bank America N.V (Revolving credit facility)	Member			glop:RevolvingLoanFacilityMember
1065	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1066	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1067	Less than 1 month	Member			ifrs-full:NotLaterThanOneMonthMember
1068	1 - 3 months	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
1069	3 - 12 months	Member			ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
1070	1 - 5 years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1071	Later than five years	Member			ifrs-full:LaterThanFiveYearsMember
1072	Financial Risk Management	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
1073	Non-derivative financial liabilities, undiscounted cash flows	Concept (Monetary)	As Of	Credit	ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
1074	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
1075	Percentage of commitment fee on the undrawn balance	Concept (Percent)	For Period		glop:LineOfCreditFacilityUnusedCapacityCommitmentsFeePercentage
1076	Derivative financial liabilities, undiscounted cash flows	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
1077	41503 - Disclosure - Financial Risk Management - Credit Risk (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureFinancialRiskManagementCreditRiskDetails
1078	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
1079	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1080	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1081	Credit risk	Member			ifrs-full:CreditRiskMember
1082	Major customers [axis]	Axis			ifrs-full:MajorCustomersAxis
1083	Customers [member]	Member			ifrs-full:MajorCustomersMember
1084	Shell	Member			glop:RoyalDutchShellPLCMember
1085	Financial Risk Management	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
1086	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1087	Short-term investments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInvestments
1088	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
1089	Derivative financial instruments, current and non-current portion	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1090	Percentage of entity's revenue	Concept (Percent)	For Period		ifrs-full:PercentageOfEntitysRevenue
1091	41601 - Disclosure - Capital Risk Management (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureCapitalRiskManagementDetails
1092	Implied Table	Table	*	*	implied:Table
1093	Capital Risk Management	Abstract			glop:CapitalRiskManagementAbstract
1094	Derivative financial instruments-current asset	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentDerivativeFinancialAssets
1095	Derivative financial instruments-non-current asset	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentDerivativeFinancialAssets
1096	Borrowings-current liability	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1097	Borrowings-non-current liability	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
1098	Derivative financial instruments-current liability	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDerivativeFinancialLiabilities
1099	Derivative financial instruments-non-current liability	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentDerivativeFinancialLiabilities
1100	Total indebtedness	Concept (Monetary)	As Of	Credit	glop:BorrowingsAndDerivativeFinancialInstruments
1101	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1102	Total indebtedness/total assets	Concept (Percent)	As Of		glop:TotalAssetsRatio
1103	41701 - Disclosure - Derivative Financial Instruments - Fair value of the derivative assets and liabilities (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureDerivativeFinancialInstrumentsFairValueOfDerivativeAssetsAndLiabilitiesDetails
1104	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1105	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
1106	Financial assets, category [member]	Member			ifrs-full:FinancialAssetsCategoryMember
1107	Financial assets carried at fair value through profit or loss (FVTPL)	Member			ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1108	Categories of financial liabilities [axis]	Axis			ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1109	Financial liabilities, category [member]	Member			ifrs-full:FinancialLiabilitiesCategoryMember
1110	Financial liabilities carried at fair value through profit or loss (FVTPL)	Member			ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
1111	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1112	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1113	Interest rate swaps	Member			ifrs-full:InterestRateSwapContractMember
1114	Forward foreign exchange contracts	Member			ifrs-full:ForwardContractMember
1115	Fair value of the derivative assets and liabilities	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1116	Derivative financial instruments-current asset	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentDerivativeFinancialAssets
1117	Derivative financial instruments, non-current asset	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentDerivativeFinancialAssets
1118	Total	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1119	Derivative financial instruments-current liability	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDerivativeFinancialLiabilities
1120	Derivative financial instruments-non-current liability	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentDerivativeFinancialLiabilities
1121	Total	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilities
1122	41702 - Disclosure - Derivative Financial Instruments - Interest rate swaps held for trading (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureDerivativeFinancialInstrumentsInterestRateSwapsHeldForTradingDetails
1123	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1124	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1125	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1126	Interest rate swaps held for trading	Member			glop:InterestRateSwapsHeldForTradingMember
1127	Gaslog Partners with GasLog, fixed interest rate of 1.54%	Member			glop:InterestRateSwapsHeldForTradingWithCounterpartyGaslogFixedInterestRateOf1.54Member
1128	Gaslog Partners with GasLog, fixed interest rate of 1.63%	Member			glop:InterestRateSwapsHeldForTradingWithCounterpartyGaslogFixedInterestRateOf1.63Member
1129	Gaslog Partners with GasLog, fixed interest rate of 1.72%	Member			glop:InterestRateSwapsHeldForTradingWithCounterpartyGaslogFixedInterestRateOf1.72Member
1130	Gaslog Partners with GasLog, fixed interest rate of 2.19%	Member			glop:InterestRateSwapsHeldForTradingWithCounterpartyGaslogFixedInterestRateOf2.19Member
1131	Gaslog Partners with GasLog, fixed interest rate of 3.15%	Member			glop:InterestRateSwapsHeldForTradingWithCounterpartyGaslogFixedInterestRateOf3.15Member
1132	Gaslog Partners with GasLog, fixed interest rate of 3.14%	Member			glop:InterestRateSwapsHeldForTradingWithCounterpartyGaslogFixedInterestRateOf3.14Member
1133	Disclosure of detailed information about financial instruments	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1134	Fixed Interest Rate	Concept (Percent)	As Of		glop:DerivativeFixedInterestRates
1135	Notional Amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
1136	Trade date	Concept (Text/String)	For Period		glop:TradeDate
1137	Effective date	Concept (Text/String)	For Period		glop:EffectiveDate
1138	Termination date	Concept (Text/String)	For Period		glop:TerminationDate
1139	Recycled loss of cash flow hedges reclassified to profit or loss	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax
1140	Unrealized gain on derivatives held for trading	Concept (Monetary)	For Period	Credit	glop:UnrealizedGainLossOnDerivativesHeldForTrading
1141	41703 - Disclosure - Derivative Financial Instruments - Foreign exchange (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureDerivativeFinancialInstrumentsForeignExchangeDetails
1142	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1143	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1144	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1145	Forward foreign exchange contracts held for trading	Member			glop:ForwardForeignExchangeContractsHeldForTradingMember
1146	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.199415	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.199415Member
1147	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.200865	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.200865Member
1148	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.202315	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.202315Member
1149	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.19315	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.19315Member
1150	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.19645	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.19645Member
1151	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.19965	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.19965Member
1152	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.1738	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.1738Member
1153	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.1772	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.1772Member
1154	Forward Foreign Exchange Contracts Held For Trading With Counterparty Gaslog Fixed Exchange Rate Of 1.1809	Member			glop:ForwardForeignExchangeContractsHeldForTradingWithCounterpartyGaslogFixedExchangeRateOf1.1809Member
1155	Fair value measurements	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1156	Forward foreign exchange contracts held for trading	Abstract			ifrs-full:ForeignExchangeRatesAbstract
1157	Trade date	Concept (Text/String)	For Period		glop:TradeDate
1158	Settlement Date	Concept (Text/String)	For Period		glop:SettlementDate
1159	Fixed Exchange Rate	Concept (Decimal)	As Of		glop:RateOfForeignExchangeForwardContract
1160	Notional Amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
1161	Unrealized gain on derivatives held for trading	Concept (Monetary)	For Period	Credit	glop:UnrealizedGainLossOnDerivativesHeldForTrading
1162	41704 - Disclosure - Derivative Financial Instruments - Analysis of loss (gain) on derivatives (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureDerivativeFinancialInstrumentsAnalysisOfLossGainOnDerivativesDetails
1163	Implied Table	Table	*	*	implied:Table
1164	Derivative Financial Instruments	Abstract			ifrs-full:DisclosureOfFinancialInstrumentsAbstract
1165	Analysis of Loss/(gain) on interest rate swaps	Abstract			glop:AnalysisOfLossOnInterestRateSwapsAbstract
1166	Realized loss/(gain) on derivatives held for trading	Concept (Monetary)	For Period	Credit	glop:RealizedGainLossOnDerivativesHeldForTrading
1167	Unrealized loss/(gain) on derivatives held for trading	Concept (Monetary)	For Period	Credit	glop:UnrealizedGainLossOnDerivativesHeldForTrading
1168	Recycled loss of cash flow hedges reclassified to profit or loss	Concept (Monetary)	For Period	Credit	glop:GainLossOnCashFlowHedgeRecycledToProfitOrLoss
1169	Total loss/(gain) on derivatives	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
1170	Transfers from Level 1 to Level 2, assets	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
1171	Transfers from Level 2 to Level 1, assets	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
1172	Transfers into Level 3, assets	Concept (Monetary)	For Period	Debit	ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1173	Transfers out of Level 3, assets	Concept (Monetary)	For Period	Credit	ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1174	Transfers from Level 1 to Level 2, liabilities	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
1175	Transfers from Level 2 to Level 1, liabilities	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities
1176	Transfers into Level 3, liabilities	Concept (Monetary)	For Period	Credit	ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
1177	Transfers out of Level 3, liabilities	Concept (Monetary)	For Period	Debit	ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
1178	41801 - Disclosure - Cash Flow Reconciliations - Reconciliation of borrowings and derivatives (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureCashFlowReconciliationsReconciliationOfBorrowingsAndDerivativesDetails
1179	Disclosure of reconciliation of liabilities arising from financing activities [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
1180	Liabilities arising from financing activities [axis]	Axis			ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1181	Liabilities arising from financing activities [member]	Member			ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1182	Borrowings	Member			glop:BorrowingMember
1183	Derivatives	Member			ifrs-full:DerivativesMember
1184	Type of movement in liabilities from financing activities [Axis]	Axis			glop:TypeOfMovementInLiabilitiesFromFinancingActivitiesAxis
1185	Type of movement in liabilities from financing activities [Domain]	Member			glop:TypeOfMovementInLiabilitiesFromFinancingActivitiesDomain
1186	Drawdowns	Member			glop:DrawdownsMember
1187	Repayments	Member			glop:RepaymentsMember
1188	Additions in deferred loan fees	Member			glop:AdditionsInDeferredLoanFeesMember
1189	Amortization of deferred loan issuance costs	Member			glop:AmortizationOfDeferredLoanIssuanceCostsMember
1190	Unrealized gain/(loss) on derivatives held for trading	Member			glop:UnrealizedGainOnDerivativesHeldForTradingMember
1191	Disclosure of reconciliation of liabilities arising from financing activities	LineItems			ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1192	Liabilities arising from financing activities at beginning of period	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesArisingFromFinancingActivities
1193	Cash flows	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
1194	Non-cash items	Concept (Monetary)	For Period	Credit	glop:IncreaseDecreaseThroughNonCashItemsLiabilitiesArisingFromFinancingActivities
1195	Deferred financing costs, assets	Concept (Monetary)	For Period	Credit	glop:IncreaseDecreaseThroughDeferredFinancingCostsLiabilitiesArisingFromFinancingActivities
1196	Total	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities
1197	Liabilities arising from financing activities at end of period	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesArisingFromFinancingActivities
1198	41802 - Disclosure - Cash Flow Reconciliations - Reconciliation of vessels arising from investing activities (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureCashFlowReconciliationsReconciliationOfVesselsArisingFromInvestingActivitiesDetails
1199	Implied Table	Table	*	*	implied:Table
1200	Cash Flow Reconciliations	Abstract			glop:CashFlowReconciliationAbstract
1201	Cash flows	Abstract			glop:ReconciliationOfVesselsArisingFromInvestingActivitiesCashFlowsAbstract
1202	Additions cash flow	Concept (Monetary)	For Period	Debit	glop:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentCashFlows
1203	Cash flows	Concept (Monetary)	For Period	Debit	glop:IncreaseDecreaseThroughCashFlowsPropertyPlantAndEquipment
1204	Non-cash items	Abstract			glop:ReconciliationOfVesselsArisingFromInvestingActivitiesNonCashItemsAbstract
1205	Additions non-cash	Concept (Monetary)	For Period	Debit	glop:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipmentNonCashItems
1206	Depreciation expense	Concept (Monetary)	For Period	Credit	glop:DepreciationExpenseNonCashItems
1207	Non-cash items	Concept (Monetary)	For Period	Debit	glop:IncreaseDecreaseThroughNonCashItemsPropertyPlantAndEquipment
1208	Total	Abstract			ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
1209	Balance, at the beginning of the year	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1210	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1211	Depreciation expense	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
1212	Balance, at the end of the year	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1213	41803 - Disclosure - Cash Flow Reconciliations - Reconciliation of equity offerings arising from financing activities (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureCashFlowReconciliationsReconciliationOfEquityOfferingsArisingFromFinancingActivitiesDetails
1214	Implied Table	Table	*	*	implied:Table
1215	Cash Flow Reconciliations	Abstract			glop:CashFlowReconciliationAbstract
1216	Cash flows	Abstract			glop:ReconciliationOfEquityOfferingsArisingFromFinancingActivitiesCashFlowsAbstract
1217	Proceeds from public offerings of common units and issuances of general partner units (net of underwriting discounts and commissions)	Concept (Monetary)	For Period	Debit	glop:ProceedsFromIssuanceOfPublicOfferingsAndIssuanceOfGeneralPartnerUnits
1218	Proceeds from public offering of preference units (net of underwriting discounts and commissions)	Concept (Monetary)	For Period	Debit	glop:ProceedsFromIssuanceOfPublicOfferingsAndIssuanceOfPreferenceUnits
1219	Offering costs	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForShareIssueCosts
1220	Payments for IDR modification (including third-party fees)	Concept (Monetary)	For Period	Credit	glop:PaymentsForIdrsModificationIncludingFees
1221	Net proceeds from equity offerings/modifications in the year	Concept (Monetary)	For Period	Debit	glop:NetProceedsFromEquityOfferingsCashFlows
1222	Non-cash items	Abstract			glop:ReconciliationOfEquityOfferingsArisingFromFinancingActivitiesNonCashItemsAbstract
1223	Offering costs	Concept (Monetary)	For Period	Credit	glop:PaymentsForShareIssueCostsNonCashItems
1224	Net proceeds from equity offerings/modifications in the year	Concept (Monetary)	For Period	Debit	glop:NetProceedsFromEquityOfferingsNonCashItems
1225	Total	Abstract			glop:ReconciliationOfEquityOfferingsArisingFromFinancingActivitiesTotalAbstract
1226	Proceeds from public offerings of common units and issuances of general partner units (net of underwriting discounts and commissions)	Concept (Monetary)	For Period	Debit	glop:ProceedsFromIssuanceOfPublicOfferingsAndIssuanceOfGeneralPartnerUnitsTotal
1227	Proceeds from public offering of preference units (net of underwriting discounts and commissions)	Concept (Monetary)	For Period	Debit	glop:ProceedsFromIssuanceOfPublicOfferingsAndIssuanceOfPreferenceUnitsTotal
1228	Offering costs	Concept (Monetary)	For Period	Credit	glop:PaymentsForShareIssueCostsTotal
1229	Payments for IDRs modification (including fees)	Concept (Monetary)	For Period	Credit	glop:PaymentsForIdrsModificationIncludingFeesTotal
1230	Net proceeds from equity offerings/modifications in the year	Concept (Monetary)	For Period	Debit	glop:NetProceedsFromEquityOfferingsTotal
1231	41901 - Disclosure - Earnings per Unit ("EPU") (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureEarningsPerUnitepuDetails
1232	Earnings per share [table]	Table	*	*	ifrs-full:EarningsPerShareTable
1233	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
1234	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
1235	Common units	Member			glop:CommonUnitsMember
1236	Subordinated units	Member			glop:SubordinatedUnitsMember
1237	General partner units	Member			glop:GeneralPartnerUnitsMember
1238	Incentive distribution rights	Member			glop:IncentiveDistributionRightsMember
1239	Earnings per unit	LineItems			ifrs-full:EarningsPerShareLineItems
1240	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1241	Profit attributable to Gaslog's operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
1242	Partnership's profit	Concept (Monetary)	For Period	Credit	glop:NetIncomeLossAllocatedToPartnership
1243	Paid and accrued preference unit distributions	Concept (Monetary)	For Period	Debit	glop:PaidAndAccruedPreferredEquityDistributions
1244	Partnership's profit attributable to unitholders	Concept (Monetary)	For Period	Credit	glop:NetIncomeLossAllocatedToPartnershipAttributableToUnitholders
1245	Weighted average number of units outstanding (basic)	Abstract			ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
1246	Weighted average number of units outstanding (basic)	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
1247	Earnings per unit (basic)	Abstract			ifrs-full:BasicEarningsPerShareAbstract
1248	Earnings per unit (basic)	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
1249	Weighted average number of units outstanding (diluted)	Abstract			glop:DilutedWeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
1250	Weighted average number of units outstanding (diluted)	Concept (Shares)	For Period		ifrs-full:AdjustedWeightedAverageShares
1251	Earnings per unit (diluted)	Abstract			ifrs-full:DilutedEarningsPerShareAbstract
1252	Earnings per unit (diluted)	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
1253	41902 - Disclosure - Earnings per Unit ("EPU") - Issuance of units since IPO (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureEarningsPerUnitepuIssuanceOfUnitsSinceIpoDetails
1254	Earnings per share [table]	Table	*	*	ifrs-full:EarningsPerShareTable
1255	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
1256	Entity [Domain]	Member			dei:EntityDomain
1257	GasLog Ltd.	Member			ifrs-full:ParentMember
1258	Earnings per unit	LineItems			ifrs-full:EarningsPerShareLineItems
1259	General partner interest in GasLog Partners	Concept (Percent)	As Of		glop:OwnersProportionOfInterestInEntity
1260	Number of units issued for conversion of subordinated units to common units (Note 5)	Concept (Shares)	For Period		glop:NumberOfUnitsIssuedForConversionOfSubordinatedUnitsToCommonUnits
1261	Subordinated units to common units conversion ratio	Concept (Pure)	For Period		glop:SubordinatedUnitsToCommonUnitsConversionRatio
1262	42001 - Disclosure - Share-based Compensation - 2015 Plan (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureShareBasedCompensation2015PlanDetails
1263	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1264	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1265	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1266	Long-Term Incentive Plan 2015	Member			glop:LongTermIncentivePlan2015Member
1267	RCUs	Member			glop:RestrictedCommonUnitsMember
1268	PCUs	Member			glop:PerformanceCommonUnitsMember
1269	Performance Awards Benchmark [Axis]	Axis			glop:PerformanceAwardsBenchmarkAxis
1270	Performance Awards Benchmark [Domain]	Member			glop:PerformanceAwardsBenchmarkDomain
1271	Above 75th percentile of peer group	Member			glop:TotalUnitholderReturnAchievedAbove75thPercentileOfPeerGroupMember
1272	Between 50th and 75th percentile of peer group	Member			glop:TotalUnitholderReturnAchievedBetween50thTo75thPercentileOfPeerGroupMember
1273	Below the 50th percentile of peer group	Member			glop:TotalUnitholderReturnAchievedBelow50thPercentileOfPeerGroupMember
1274	Share-based Compensation	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1275	Vested during the period	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1276	Number of awards granted	Concept (Decimal)	For Period		ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1277	Fair value at grant date	Concept (Monetary)	As Of	Credit	ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
1278	Vesting period after grant date	Concept (xbrli:durationItemType)	For Period		glop:VestingLifeOfShareBasedAwards
1279	Vesting percentage of awards	Concept (Percent)	For Period		glop:VestingPercentageOnBenchmarkedAchievementInShareBasedPaymentArrangement
1280	42002 - Disclosure - Share-based Compensation - RCUs movement (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureShareBasedCompensationRcusMovementDetails
1281	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1282	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1283	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1284	Long-Term Incentive Plan 2015	Member			glop:LongTermIncentivePlan2015Member
1285	RCUs	Member			glop:RestrictedCommonUnitsMember
1286	Share-based Compensation	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1287	Number of awards	Abstract			glop:NumberOfAwardsAbstract
1288	Outstanding at the beginning of the period	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1289	Granted during the period	Concept (Decimal)	For Period		ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1290	Forfeited during the year	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1291	Vested during the period	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1292	Outstanding at end of the period	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1293	Weighted average contractual life	Abstract			glop:WeightedAverageContractualLifeAbstract
1294	Weighted average contractual life	Concept (xbrli:durationItemType)	For Period		glop:WeightedAverageRemainingContractualLifeOfShareBasedAwards
1295	Aggregate fair value	Abstract			glop:AggregateFairValueAbstract
1296	Outstanding at the beginning of the period	Concept (Monetary)	As Of	Credit	glop:AggregateFairValueOfAwardsOutstandingInShareBasedPaymentArrangement
1297	Granted during the period	Concept (Monetary)	For Period	Credit	glop:AggregateFairValueOfAwardsGrantedInShareBasedPaymentArrangement
1298	Forfeited during the year	Concept (Monetary)	For Period	Debit	glop:AggregateFairValueOfAwardsForfeitedInShareBasedPaymentArrangement
1299	Vested during the period	Concept (Monetary)	For Period	Debit	glop:AggregateFairValueOfAwardsExercisedOrVestedInShareBasedPaymentArrangement
1300	Outstanding at the end of the period	Concept (Monetary)	As Of	Credit	glop:AggregateFairValueOfAwardsOutstandingInShareBasedPaymentArrangement
1301	42003 - Disclosure - Share-based Compensation - PCUs movement (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureShareBasedCompensationPcusMovementDetails
1302	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1303	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1304	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1305	Long-Term Incentive Plan 2015	Member			glop:LongTermIncentivePlan2015Member
1306	PCUs	Member			glop:PerformanceCommonUnitsMember
1307	Share-based Compensation	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1308	Number of awards	Abstract			glop:NumberOfAwardsAbstract
1309	Outstanding at the beginning of the period	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1310	Granted during the period	Concept (Decimal)	For Period		ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1311	Forfeited during the year	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1312	Vested during the period	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1313	Outstanding at end of the period	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1314	Weighted average contractual life	Abstract			glop:WeightedAverageContractualLifeAbstract
1315	Weighted average contractual life	Concept (xbrli:durationItemType)	For Period		glop:WeightedAverageRemainingContractualLifeOfShareBasedAwards
1316	Aggregate fair value	Abstract			glop:AggregateFairValueAbstract
1317	Outstanding at the beginning of the period	Concept (Monetary)	As Of	Credit	glop:AggregateFairValueOfAwardsOutstandingInShareBasedPaymentArrangement
1318	Granted during the period	Concept (Monetary)	For Period	Credit	glop:AggregateFairValueOfAwardsGrantedInShareBasedPaymentArrangement
1319	Forfeited during the year	Concept (Monetary)	For Period	Debit	glop:AggregateFairValueOfAwardsForfeitedInShareBasedPaymentArrangement
1320	Vested during the period	Concept (Monetary)	For Period	Debit	glop:AggregateFairValueOfAwardsExercisedOrVestedInShareBasedPaymentArrangement
1321	Outstanding at the end of the period	Concept (Monetary)	As Of	Credit	glop:AggregateFairValueOfAwardsOutstandingInShareBasedPaymentArrangement
1322	42004 - Disclosure - Share-based Compensation - Expense and liability (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureShareBasedCompensationExpenseAndLiabilityDetails
1323	Implied Table	Table	*	*	implied:Table
1324	Share-based Compensation	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1325	Total expense recognized	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1326	Total accrued cash distribution	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011
1327	42101 - Disclosure - Taxation (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureTaxationDetails
1328	Implied Table	Table	*	*	implied:Table
1329	Taxation	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1330	U.S. Federal income tax rate (in percent)	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
1331	U.S. source gross transportation income (as percentage of gross shipping income for transportation that begins or ends in the United States)	Concept (Percent)	For Period		glop:GrossShippingIncomePercentage
1332	Number of years that the Partnership did not qualify for tax exception	Concept (xbrli:durationItemType)	For Period		glop:TaxExceptionSection883Years
1333	U.S. source gross transportation tax expense	Concept (Monetary)	For Period	Debit	glop:UsSourceGrossTransportationTax
1334	42201 - Disclosure - Subsequent Events (Details)	Network	*	*	http://www.gaslogmlp.com/role/DisclosureSubsequentEventsDetails
1335	Disclosure of non-adjusting events after reporting period [table]	Table	*	*	ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
1336	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
1337	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
1338	Common units	Member			glop:CommonUnitsMember
1339	Preference units	Member			glop:PreferenceUnitsMember
1340	Series A preference units	Member			glop:SeriesPreferenceUnitsMember
1341	Series B preference units	Member			glop:SeriesBPreferenceUnitsMember
1342	Series C preference units	Member			glop:SeriesCPreferenceUnitsMember
1343	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1344	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1345	2019 Gaslog Partners Facility	Member			glop:GaslogPartnersFacility2019Member
1346	Non-adjusting events after reporting period [axis]	Axis			ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1347	Non-adjusting events after reporting period [member]	Member			ifrs-full:NonadjustingEventsMember
1348	Announcement of unit repurchase programme	Member			glop:UnitRepurchaseProgrammeMember
1349	Refinancing	Member			glop:RefinancingMember
1350	Subsequent Events	LineItems			ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
1351	GasLog Partners declaration of distribution (USD/unit)	Concept (Share)	For Period		ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
1352	Aggregate amount of the declared distribution	Concept (Monetary)	For Period		ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners
1353	Unit repurchase programme limit	Concept (Monetary)	For Period		glop:UnitRepurchaseProgrammeLimit
1354	Amount of credit facility	Concept (Monetary)	As Of	Credit	glop:IfrsLineOfCreditFacilityMaximumBorrowingCapacity
1355	Number of vessels on which the existing indebtedness is refinanced	Concept (Integer)	As Of		glop:NumberOfVesselsOnWhichExistingIndebtednessIsRefinanced
1356	Facility term repayable	Concept (xbrli:durationItemType)	For Period		glop:TermOfDebtInstrument