Bellatrix Exploration Ltd. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 0001000 - Document - Document Entity Information Document Network

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3 Document And Entity Information [Abstract] Abstract bxe:DocumentAndEntityInformationAbstract
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5 Entity Central Index 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
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10 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
11 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
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15 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
16 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
17 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
18 1001000 - Statement - BALANCE SHEETS Network

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20 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
21 ASSETS Abstract ifrs-full:AssetsAbstract
22 Current assets Abstract ifrs-full:CurrentAssetsAbstract
23 Accounts receivable (note 6) Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
24 Deposits and prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepayments
25 Current portion of risk management asset (note 6) Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
26 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
27 Non-current assets [abstract] Abstract ifrs-full:NoncurrentAssetsAbstract
28 Risk management asset (note 6) Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
29 Deferred taxes (note 15) Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
30 Exploration and evaluation assets (note 8) Concept (Monetary) As Of Debit ifrs-full:AssetsArisingFromExplorationForAndEvaluationOfMineralResources
31 Property, plant and equipment (note 9) Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
32 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
33 Non-current liabilities [abstract] Abstract ifrs-full:NoncurrentLiabilitiesAbstract
34 Credit Facilities (note 7) Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentLoansReceived
35 Second Lien Notes (note 7) Concept (Monetary) As Of Credit bxe:NoncurrentPortionOfNoncurrentSecondLienNotes
36 Senior Notes (note 7) Concept (Monetary) As Of Credit bxe:NoncurrentPortionOfNoncurrentSeniorNotes
37 Convertible Debentures (liability component) (note 7) Concept (Monetary) As Of Credit bxe:NoncurrentPortionOfNoncurrentDebenturesIssued
38 Risk management liability (note 6) Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLoss
39 Other deferred liabilities (note 11) Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
40 Decommissioning liabilities (note 10) Concept (Monetary) As Of Credit ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
41 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
42 LIABILITIES Abstract ifrs-full:LiabilitiesAbstract
43 Current liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
44 Accounts payable and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
45 Current portion of other deferred liabilities (note 11) Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
46 Current portion of risk management liability (note 6) Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLoss
47 Current portion of Credit Facilities (note 7) Concept (Monetary) As Of Credit ifrs-full:CurrentLoansReceivedAndCurrentPortionOfNoncurrentLoansReceived
48 Current portion of decommissioning liability (note 10) Concept (Monetary) As Of Credit ifrs-full:ShorttermProvisionForDecommissioningRestorationAndRehabilitationCosts
49 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
50 SHAREHOLDERS’ EQUITY Abstract ifrs-full:EquityAbstract
51 Shareholders’ capital (note 12) Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
52 Warrants (note 7) Concept (Monetary) As Of Credit bxe:WarrantsandRightsOutstanding1
53 Convertible Debentures (equity component) (note 7) Concept (Monetary) As Of Credit ifrs-full:ReserveOfEquityComponentOfConvertibleInstruments
54 Contributed surplus Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
55 Retained earnings (deficit) Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
56 Total shareholders’ equity Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
57 Total liabilities and shareholders’ equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
58 1002000 - Statement - STATEMENTS OF PROFIT (LOSS) AND COMPREHENSIVE INCOME (LOSS) Network

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59 Implied Table Table

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60 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
61 REVENUES Abstract ifrs-full:RevenueAbstract
62 Petroleum and natural gas sales (note 13) Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfOilAndGasProducts
63 Royalties Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
64 Other income (note 13) Concept (Monetary) For Period Credit ifrs-full:OtherIncome
65 Total revenues net of royalties Concept (Monetary) For Period Credit ifrs-full:Revenue
66 Realized gain on commodity contracts (note 6) Concept (Monetary) For Period Credit bxe:RealizedTradingIncomeExpenseOnDerivativeFinancialInstrumentsExcludingForeignExchangeContracts
67 Unrealized gain (loss) on commodity contracts (note 6) Concept (Monetary) For Period Credit bxe:UnrealizedTradingIncomeExpenseOnDerivativeFinancialInstrumentsExcludingForeignExchangeContracts
68 Revenues net of royalties and commodity contracts Concept (Monetary) For Period Credit ifrs-full:RevenueAndOperatingIncome
69 EXPENSES Abstract ifrs-full:ExpenseByNatureAbstract
70 Production Concept (Monetary) For Period Debit ifrs-full:CostOfSales
71 Transportation Concept (Monetary) For Period Debit ifrs-full:DistributionCosts
72 General and administrative Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
73 Loss on marketable securities Concept (Monetary) For Period Credit bxe:TradingIncomeExpenseOnMarketableSecurities
74 Share-based compensation (note 14) Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
75 Depletion and depreciation (note 9) Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
76 Impairment loss (reversal of impairment loss) recognised in profit or loss Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
77 Loss on onerous contracts (note 11) Concept (Monetary) For Period Credit bxe:GainLossOnOnerousContracts
78 (Gain) loss on dispositions (note 9) Concept (Monetary) For Period Credit bxe:ReversalImpairmentAndGainLossOnDisposalsOfPropertyPlantAndEquipment
79 (Gain) loss on Senior Notes settlements (note 7) Concept (Monetary) For Period Credit bxe:GainsLossesOnExtinguishmentOfDebt1
80 Expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
81 NET PROFIT (LOSS) BEFORE FINANCE AND TAXES Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
82 Finance expenses (note 16) Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
83 Realized (gain) loss on foreign exchange (note 17) Concept (Monetary) For Period Credit bxe:RealizedForeignExchangeGainLoss
84 Unrealized (gain) loss on foreign exchange (note 17) Concept (Monetary) For Period Credit bxe:UnrealizedForeignExchangeGainLoss
85 NET PROFIT (LOSS) BEFORE TAXES Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
86 TAXES Abstract bxe:TaxExpenseIncomeAbstract
87 Deferred tax expense (recovery) (note 15) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
88 NET PROFIT (LOSS) AND COMPREHENSIVE INCOME (LOSS) Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
89 Net profit (loss) per share (note 18) Abstract ifrs-full:EarningsPerShareAbstract
90 Basic (in dollars per share) Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
91 Diluted (in dollars per share) Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
92 1003000 - Statement - STATEMENTS OF SHAREHOLDERS' EQUITY Network

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93 Statement of changes in equity [table] Table

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94 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
95 Equity [member] Member ifrs-full:EquityMember
96 SHAREHOLDERS’ CAPITAL Member ifrs-full:IssuedCapitalMember
97 CONVERTIBLE DEBENTURES (EQUITY COMPONENT) Member ifrs-full:ReserveOfEquityComponentOfConvertibleInstrumentsMember
98 CONTRIBUTED SURPLUS Member ifrs-full:SharePremiumMember
99 WARRANTS Member bxe:Warrant1Member
100 RETAINED EARNINGS (DEFICIT) Member ifrs-full:RetainedEarningsMember
101 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
102 Equity attributable to owners of parent, beginning of period Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
103 Issued for property acquisition, net of tax effect Concept (Monetary) For Period Credit bxe:IssueOfEquityIssuedForPropertyAcquisitionNetOfIssueCostsandTaxEffect
104 Issued on Senior Notes settlements Concept (Monetary) For Period Credit bxe:IncreaseDecreaseThroughSettlementofBorrowings
105 Flow through shares issued Concept (Monetary) For Period Credit bxe:IncreaseDecreaseThroughIssuanceofFlowThroughShares
106 Gains on disposals of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfPropertyPlantAndEquipment
107 Issued for cash on equity issue Concept (Monetary) For Period Credit bxe:IssueOfEquityIssuedForCashOnEquityIssue
108 Share issue costs on equity issue, net of tax effect Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
109 Share-based compensation awards Concept (Monetary) For Period Credit bxe:IncreaseDecreaseThroughSettlementOfShareBasedCompensation
110 Conversion feature of Convertible Debentures issued, net of tax effect Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
111 Share-based compensation expense (note 14) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
112 Adjustment of share-based compensation expense for forfeitures of unvested share options Concept (Monetary) For Period Credit bxe:IncreaseDecreaseThroughAdjustmentofShareBasedCompensationExpenseForForfeituresOfUnvestedShareOptions
113 Warrants issued, net of tax (note 7) Concept (Monetary) For Period Credit bxe:IncreaseDecreaseThroughIssuanceofWarrants
114 Net profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
115 Equity attributable to owners of parent, end of period Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
116 1004000 - Statement - STATEMENTS OF CASH FLOWS Network

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117 Implied Table Table

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118 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
119 CASH FLOW FROM (USED IN) OPERATING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
120 Net profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
121 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
122 Depletion, depreciation and impairment (note 9) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
123 (Gain) loss on dispositions (note 7) Concept (Monetary) For Period Credit bxe:AdjustmentForReversalImpairmentAndGainLossOnDisposalsOfPropertyPlantAndEquipment
124 Loss on onerous contracts (note 11) Concept (Monetary) For Period Credit bxe:AdjustmentsforGainLossonContractTermination
125 Accretion on decommissioning obligations (note 10) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseInOtherProvisionsArisingFromPassageOfTime
126 Non-cash financing and accretion Concept (Monetary) For Period Debit bxe:AdjustmentsForInterestExpenseNoncurrentPortionOfNoncurrentNotesIssued
127 Share-based compensation (note 14) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
128 Unrealized (gain) loss on commodity contracts (note 6) Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives
129 Unrealized foreign exchange (gain) loss (note 17) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
130 Loss on marketable securities Concept (Monetary) For Period Credit bxe:AdjustmentForTradingIncomeExpenseOnMarketableSecurities
131 Deferred tax expense (recovery) (note 15) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxExpense
132 (Gain) loss on Senior Notes settlements Concept (Monetary) For Period Debit bxe:AdjustmentsforGainLossonSettlementsofBorrowings
133 Realized foreign exchange on Senior Note Settlements (note 7) Concept (Monetary) For Period Credit bxe:UnrealizedForeignExchangeGainLossOnSettlementOfBorrowings
134 Decommissioning costs incurred (note 10) Concept (Monetary) For Period Debit bxe:AdjustmentsForIncreaseDecreaseInDecommissioningLiabilities
135 Change in non-cash working capital (note 21) Concept (Monetary) For Period Credit bxe:IncreaseDecreaseInWorkingCapitalOperatingActivites
136 Cash flows from (used in) operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
137 CASH FLOW FROM (USED IN) FINANCING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
138 Issuance of Second Lien Notes (note 7) Concept (Monetary) For Period Debit bxe:ProceedsFromIssuanceOfBorrowingsClassifiedAsBorrowingsSecondLienNotes
139 Transaction costs on Senior Note exchange Concept (Monetary) For Period Debit bxe:TransactionCostsOnBorrowingsExchange
140 Issuance of share capital, net of issue costs (note 12) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
141 Issuance of Convertible Debentures, net of issue costs Concept (Monetary) For Period Debit bxe:ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNonCurrentPortionOfNonCurrentDebenturesIssued
142 Issuance of Senior Notes, net of issue costs Concept (Monetary) For Period Debit bxe:ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNonCurrentPortionOfNonCurrentNotesIssued
143 Settlement of share based payments Concept (Monetary) For Period Credit bxe:PaymentsMadeonSettlementofShareBasedPayments
144 Advances from (repayment of) loans and borrowings Concept (Monetary) For Period Debit bxe:ProceedsFromBorrowingsClassifiedAsFinancingActivitiesNonCurrentPortionOfNonCurrentLoansReceived
145 Financing obligations (note 11) Concept (Monetary) For Period Credit ifrs-full:PaymentsOfFinanceLeaseLiabilitiesClassifiedAsFinancingActivities
146 Deferred lease inducements (note 11) Concept (Monetary) For Period Credit bxe:PaymentsforDeferredLeaseInducements
147 Deferred capital obligations (note 11) Concept (Monetary) For Period Credit bxe:PaymentsForDeferredCapitalObligationsClassifiedAsFinancingActivities
148 Change in non-cash working capital (note 21) Concept (Monetary) For Period Credit bxe:IncreaseDecreaseInWorkingCapitalFinancingActivities
149 Cash flows from (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
150 CASH FLOW FROM (USED IN) INVESTING ACTIVITIES Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
151 Expenditure on exploration and evaluation assets (note 8) Concept (Monetary) For Period Credit ifrs-full:PurchaseOfExplorationAndEvaluationAssets
152 Additions to property, plant and equipment (note 9) Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
153 Proceeds on sale of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
154 Proceeds on sale of marketable securities Concept (Monetary) For Period Debit bxe:ProceedsFromSaleOfMarketableSecurities
155 Change in non-cash working capital (note 21) Concept (Monetary) For Period Credit bxe:IncreaseDecreaseInWorkingCapitalInvestingActivites
156 Cash flows from (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
157 Change in cash Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
158 Cash, beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
159 Cash, end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
160 Cash paid: Abstract bxe:SupplementalCashFlowInformation1Abstract
161 Interest Concept (Monetary) For Period Credit bxe:InterestPaid1
162 Taxes Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefund
163 2101100 - Disclosure - CORPORATE INFORMATION Network

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165 General Information About Financial Statements [Abstract] Abstract bxe:GeneralInformationAboutFinancialStatementsAbstract
166 CORPORATE INFORMATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
167 2104100 - Disclosure - BASIS OF PREPARATION Network

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170 BASIS OF PREPARATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
171 2107100 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Network

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183 2116100 - Disclosure - FINANCIAL RISK MANAGEMENT Network

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191 2122100 - Disclosure - EXPLORATION AND EVALUATION ASSETS Network

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192 Implied Table Table

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193 Exploration For And Evaluation Of Mineral Resources [Abstract] Abstract bxe:ExplorationForAndEvaluationOfMineralResourcesAbstract
194 EXPLORATION AND EVALUATION ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExplorationAndEvaluationAssetsExplanatory
195 2125100 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Network

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199 2128100 - Disclosure - DECOMMISSIONING LIABILITIES Network

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200 Implied Table Table

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207 2134100 - Disclosure - SHAREHOLDERS' CAPITAL Network

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211 2137100 - Disclosure - REVENUE Network

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235 2155100 - Disclosure - COMMITMENTS Network

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251 2207201 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Network

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http://www.bxe.com/role/FinancialRiskManagementCommodityPriceRiskSummaryOfNetRiskManagementAssetLiabilityDetails
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ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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565 2416409 - Disclosure - FINANCIAL RISK MANAGEMENT - Interest Rate Risk (Details) Network

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http://www.bxe.com/role/FinancialRiskManagementInterestRateRiskDetails
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*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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578 2416411 - Disclosure - FINANCIAL RISK MANAGEMENT - Fair Value Hierachy Levels (Details) Network

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http://www.bxe.com/role/FinancialRiskManagementFairValueHierachyLevelsDetails
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bxe:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
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602 2419402 - Disclosure - DEBT - Schedule of Debt (Details) Network

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http://www.bxe.com/role/DebtScheduleOfDebtDetails
603 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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613 2419403 - Disclosure - DEBT - Credit Facilities Narrative (Details) Network

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http://www.bxe.com/role/DebtCreditFacilitiesNarrativeDetails
614 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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634 2419404 - Disclosure - DEBT - Second Lien Notes Narrative (Details) Network

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http://www.bxe.com/role/DebtSecondLienNotesNarrativeDetails
635 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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659 2419405 - Disclosure - DEBT - Schedule of Second Lien Notes (Details) Network

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*

http://www.bxe.com/role/DebtScheduleOfSecondLienNotesDetails
660 Disclosure of detailed information about borrowings [table] Table

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*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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677 2419406 - Disclosure - DEBT - Convertible Debentures Narrative (Details) Network

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*

http://www.bxe.com/role/DebtConvertibleDebenturesNarrativeDetails
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*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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697 2419407 - Disclosure - DEBT - Rollforward of Convertible Debentures (Details) Network

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*

http://www.bxe.com/role/DebtRollforwardOfConvertibleDebenturesDetails
698 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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705 Effective interest on Convertible Debentures Concept (Monetary) For Period ifrs-full:InterestCostsIncurred
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710 2419408 - Disclosure - DEBT - Senior Notes Narrative (Details) Network

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*

http://www.bxe.com/role/DebtSeniorNotesNarrativeDetails
711 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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734 2419409 - Disclosure - DEBT - Rollforward of Senior Notes (Details) Network

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*

http://www.bxe.com/role/DebtRollforwardOfSeniorNotesDetails
735 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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752 2419410 - Disclosure - DEBT - Covenants Narrative (Details) Network

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*

http://www.bxe.com/role/DebtCovenantsNarrativeDetails
753 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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777 2419411 - Disclosure - DEBT - Summary of Covenants Under Credit Facilities and Second Lien Notes (Details) Network

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*

http://www.bxe.com/role/DebtSummaryOfCovenantsUnderCreditFacilitiesAndSecondLienNotesDetails
778 Disclosure of detailed information about borrowings [table] Table

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*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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789 2419412 - Disclosure - DEBT - Summary of Covenants Under Second Lien Notes and Senior Notes (Details) Network

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*

http://www.bxe.com/role/DebtSummaryOfCovenantsUnderSecondLienNotesAndSeniorNotesDetails
790 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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799 2422402 - Disclosure - EXPLORATION AND EVALUATION ASSETS - Summary of Exploration and Evaluation Assets (Details) Network

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http://www.bxe.com/role/ExplorationAndEvaluationAssetsSummaryOfExplorationAndEvaluationAssetsDetails
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*

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
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809 Transfer to oil and natural gas properties Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill
810 Balance at end of period Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
811 2425402 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Summary of Property, Plant and Equipment (Details) Network

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*

http://www.bxe.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetails
812 Disclosure of detailed information about property, plant and equipment [table] Table

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*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
813 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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816 Operated Facilities Member bxe:BuildingsandEquipmentMember
817 Office Furniture and Equipment Member bxe:FixturesFittingsandOfficeEquipmentMember
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820 Cost Member ifrs-full:GrossCarryingAmountMember
821 Accumulated depletion, depreciation and impairment losses Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
822 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
823 Reconciliation of changes in property, plant and equipment [abstract] Abstract ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
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825 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
826 Transfer from exploration and evaluation assets Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
827 Charge for the year Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
828 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
829 Impairment (reversal) Concept (Monetary) For Period ifrs-full:WritedownsReversalsOfPropertyPlantAndEquipment
830 Balance at end of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
831 Future development costs Concept (Monetary) As Of Debit bxe:FutureDevelopmentCosts
832 Salvage costs Concept (Monetary) As Of Credit bxe:SalvageCosts
833 Capitalized general and administrative expenses Concept (Monetary) As Of Debit bxe:CapitalizedExplorationAndDevelopmentActivitiesGeneralAndAdministrativeExpense
834 Capitalized share-based compensation expense Concept (Monetary) As Of Debit bxe:CapitalizedExplorationAndDevelopmentActivitiesSharebasedCompensationExpense
835 2425403 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Acquisitions (Details) Network

*

*

http://www.bxe.com/role/PropertyPlantAndEquipmentAcquisitionsDetails
836 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
837 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
838 Business combinations [member] Member ifrs-full:BusinessCombinationsMember
839 Ferrier Asset Acquisition One Member bxe:FerrierAssetAcquisitionOneMember
840 Ferrier Asset Acquisition Two Member bxe:FerrierAssetAcquisitionTwoMember
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842 Number of barrels of oil Concept (Decimal) As Of bxe:NumberofBarrelsofOil
843 Number of barrels of oil, natural gas, percentage Concept (Percent) As Of bxe:NumberofBarrelsofOilNaturalGasPercentage
844 Number of barrels of oil, liquids, percentage Concept (Percent) As Of bxe:NumberofBarrelsofOilLiquidsPercentage
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847 Purchase price adjustments Concept (Monetary) For Period ifrs-full:MeasurementPeriodAdjustmentsRecognisedForParticularAssetsLiabilitiesNoncontrollingInterestsOrItemsOfConsideration
848 2425404 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Business Combination (Details) Network

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*

http://www.bxe.com/role/PropertyPlantAndEquipmentBusinessCombinationDetails
849 Disclosure of detailed information about business combination [table] Table

*

*

ifrs-full:DisclosureOfBusinessCombinationsTable
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851 Business combinations [member] Member ifrs-full:BusinessCombinationsMember
852 Ferrier Member bxe:FerrierMember
853 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
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855 Number of shares issued (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
856 Financial assets recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsRecognisedAsOfAcquisitionDate
857 Financial liabilities recognised as of acquisition date Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesRecognisedAsOfAcquisitionDate
858 2425405 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Dispositions (Details) Network

*

*

http://www.bxe.com/role/PropertyPlantAndEquipmentDispositionsDetails
859 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
860 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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862 Alder Flats Plant Sale Member bxe:AlderFlatsPlantSaleMember
863 Production Facilities, West Central Alberta Member bxe:ProductionFacilitiesWestCentralAlbertaMember
864 Oil and Gas Properties, West Pembina Area Of Alberta Member bxe:OilandGasPropertiesWestPembinaAreaOfAlbertaMember
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866 Oil and Gas Properties, Harmattan [Member] Member bxe:OilandGasPropertiesHarmattanMember
867 Oil and Gas Properties, Willesden Green Area Of Alberta Member bxe:OilandGasPropertiesWillesdenGreenAreaOfAlbertaMember
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869 Drilling Oil and Gas Wells [Member] Member bxe:DrillingOilandGasWellsMember
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873 Proceeds from disposal of oil and gas assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfOilAndGasAssets
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876 Fair value of shares from purchaser from disposal of oil and gas assets Concept (Monetary) As Of Debit bxe:FairValueOfSharesFromPurchaserFromDisposalOfOilAndGasAssets
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880 Midstream services and governance agreement, purchased capacity contract term Concept (xbrli:durationItemType) For Period bxe:MidstreamServicesAndGovernanceAgreementPurchasedCapacityContractTerm
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886 2425406 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Impairment Loss (Details) Network

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*

http://www.bxe.com/role/PropertyPlantAndEquipmentImpairmentLossDetails
887 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
888 Range [axis] Axis ifrs-full:RangeAxis
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891 Top of range Member ifrs-full:TopOfRangeMember
892 Cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis
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894 South Central Member bxe:CashGeneratingUnitSouthCentralMember
895 Cash Generating Unit, North Alberta Member bxe:CashGeneratingUnitNorthAlbertaMember
896 Central Alberta Member bxe:CashGeneratingUnitCentralAlbertaMember
897 Cash Generating Unit, South Alberta Member bxe:CashGeneratingUnitSouthAlbertaMember
898 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
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900 Recoverable amount of asset or cash-generating unit Concept (Monetary) As Of Debit ifrs-full:RecoverableAmountOfAssetOrCashgeneratingUnit
901 Discount rate used in current estimate of value in use Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
902 Increase to discount rate Concept (Percent) As Of bxe:DiscountRatesAppliedToCashFlowProjectionsPossibleIncreaseInPercentage
903 Increase to impairment loss Concept (Monetary) For Period Debit bxe:DiscountRatesAppliedToCashFlowProjectionsPossibleIncreaseInPercentageImpactOnImpairmentLoss
904 Decrease in discount rate Concept (Percent) As Of bxe:DiscountRatesAppliedToCashFlowProjectionsPossibleDecreaseInPercentage
905 Impairment loss (reversal) – PP&E Concept (Monetary) For Period Credit ifrs-full:ReversalOfImpairmentLoss
906 Discount rate used in current measurement of fair value less costs of disposal Concept (Percent) As Of ifrs-full:DiscountRateUsedInCurrentMeasurementOfFairValueLessCostsOfDisposal
907 2425407 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - VIU Cash Generating Units (Details) Network

*

*

http://www.bxe.com/role/PropertyPlantAndEquipmentViuCashGeneratingUnitsDetails
908 Disclosure of information for cash-generating units [table] Table

*

*

ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
909 Types Of Commodities [Axis] Axis bxe:TypesOfCommoditiesAxis
910 Types Of Commodities [Domain] Member bxe:TypesOfCommoditiesDomain
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912 AECO Gas Member bxe:NaturalGasMember
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914 Propane Member bxe:PropaneMember
915 Condensate Member bxe:CondensateMember
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921 Later than four years and not later than five years Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
922 Later than five years and not later than six years Member bxe:LaterThanFiveYearsAndNotLaterThanSixYearsMember
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929 Value in use commodity rate applied to cash flow projections Concept (Decimal) As Of bxe:ValueInUseCommodityRateAppliedToCashFlowProjections
930 Value in use commodity rate increase per year applied to cash flow projections Concept (Percent) As Of bxe:ValueInUseCommodityRateIncreasePerYearAppliedToCashFlowProjections
931 2428402 - Disclosure - DECOMMISSIONING LIABILITIES - Narrative (Details) Network

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http://www.bxe.com/role/DecommissioningLiabilitiesNarrativeDetails
932 Disclosure of other provisions [table] Table

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*

ifrs-full:DisclosureOfOtherProvisionsTable
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936 Top of range Member ifrs-full:TopOfRangeMember
937 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
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941 Undiscounted liabilities Concept (Monetary) As Of Credit bxe:OtherProvisionsUndiscounted
942 Risk-free interest rate Concept (Percent) As Of bxe:RiskFreeInterestRateOtherProvisions
943 Inflation rate Concept (Percent) As Of bxe:InflationRateOtherProvisions
944 2428403 - Disclosure - DECOMMISSIONING LIABILITIES - Rollforward of Decommissioning Liabilities (Details) Network

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*

http://www.bxe.com/role/DecommissioningLiabilitiesRollforwardOfDecommissioningLiabilitiesDetails
945 Disclosure of other provisions [table] Table

*

*

ifrs-full:DisclosureOfOtherProvisionsTable
946 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
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951 Incurred on development activities Concept (Monetary) For Period Credit ifrs-full:AdditionalProvisionsOtherProvisions
952 Acquired through asset acquisitions Concept (Monetary) For Period Credit ifrs-full:AcquisitionsThroughBusinessCombinationsOtherProvisions
953 Revisions on estimates Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions
954 Decommissioning costs incurred Concept (Monetary) For Period Credit bxe:DecommissioningCostsIncurred
955 Reversed on dispositions Concept (Monetary) For Period Credit bxe:IncreaseDecreaseFromImpactOfAssetDispositions
956 Accretion expense Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
957 Balance, end of year Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
958 2431402 - Disclosure - OTHER DEFERRED LIABILITIES - Summary of Other Liabilities (Details) Network

*

*

http://www.bxe.com/role/OtherDeferredLiabilitiesSummaryOfOtherLiabilitiesDetails
959 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
960 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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973 Deferred lease inducements Concept (Monetary) For Period Credit bxe:PaymentsforDeferredLeaseInducements
974 Payments on finance lease Concept (Monetary) For Period Credit bxe:PaymentsOnFinanceLease
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976 Drawdown deferred financing obligations Concept (Monetary) For Period Credit bxe:PaymentsForDeferredFinancingObligations
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978 Realized deferred gain Concept (Monetary) For Period Credit bxe:PaymentsForRealizedDeferredGain
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980 Payment For Change In Estimate Concept (Monetary) For Period Credit bxe:PaymentForChangeInEstimate
981 2431403 - Disclosure - OTHER DEFERRED LIABILITIES - Narrative (Details) Network

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*

http://www.bxe.com/role/OtherDeferredLiabilitiesNarrativeDetails
982 Disclosure of recognised finance lease as assets by lessee [table] Table

*

*

ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeTable
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997 2431404 - Disclosure - OTHER DEFERRED LIABILITIES - Schedule of Future Minimum Lease Payments (Details) Network

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http://www.bxe.com/role/OtherDeferredLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails
998 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
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1002 2020 Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
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1009 Amount representing implicit interest at 15.28% Concept (Monetary) As Of Credit ifrs-full:FutureFinanceChargeOnFinanceLease
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1012 2434402 - Disclosure - SHAREHOLDERS' CAPITAL - Summary of Shareholders' Capital (Details) Network

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*

http://www.bxe.com/role/ShareholdersCapitalSummaryOfShareholdersCapitalDetails
1013 Disclosure of classes of share capital [table] Table

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*

ifrs-full:DisclosureOfClassesOfShareCapitalTable
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1046 2437402 - Disclosure - REVENUE - Revenue Disaggregated by Revenue Source (Details) Network

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http://www.bxe.com/role/RevenueRevenueDisaggregatedByRevenueSourceDetails
1047 Disclosure of disaggregation of revenue from contracts with customers [table] Table

*

*

ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
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1058 Receivables from contracts with customers Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromContractsWithCustomers
1059 2437403 - Disclosure - REVENUE Contrats with Customers for the Sale of Future Production (Details) Network

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http://www.bxe.com/role/RevenueContratsWithCustomersForSaleOfFutureProductionDetails
1060 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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1079 2440402 - Disclosure - SHARE-BASED COMPENSATION PLANS - Summary of Share-based Compensation Expense (Recovery) (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansSummaryOfShareBasedCompensationExpenseRecoveryDetails
1080 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1081 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
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1083 Share Options Member bxe:EmployeeStockOption1Member
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1085 Restricted Awards Member bxe:RestrictedShareUnitsRSUMember
1086 Performance Awards Member bxe:PerformanceShareUnitsPSUMember
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1088 Share-based compensation expense (recovery) included in general and administrative expense Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1089 Share-based compensation expense included in operating expense Concept (Monetary) For Period Debit bxe:ExpenseFromShareBasedPaymentTransactionsWithEmployeesOperatingActivities
1090 Total share-based compensation expense (recovery) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
1091 2440403 - Disclosure - SHARE-BASED COMPENSATION PLANS - Summary of Share Option Expense (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansSummaryOfShareOptionExpenseDetails
1092 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
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1098 Share options expense capitalized Concept (Monetary) For Period Debit bxe:ExpenseFromSharebasedPaymentTransactionsWithEmployeesCapitalized
1099 Gross share option expense Concept (Monetary) For Period Debit bxe:ExpenseFromSharebasedPaymentTransactionsWithEmployeesGross
1100 2440404 - Disclosure - SHARE-BASED COMPENSATION PLANS - Summary of Company's Share-Based Compensation Liability Balance (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansSummaryOfCompanysShareBasedCompensationLiabilityBalanceDetails
1101 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1102 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
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1108 Liabilities balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011
1109 2440405 - Disclosure - SHARE-BASED COMPENSATION PLANS - Options Fair Value Measurements (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansOptionsFairValueMeasurementsDetails
1110 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1111 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
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1117 Top of range Member ifrs-full:TopOfRangeMember
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1134 2440406 - Disclosure - SHARE-BASED COMPENSATION PLANS - Options Roll Forward (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansOptionsRollForwardDetails
1135 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
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1143 Weighted average exercise price of share options expired (in CAD per share) Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
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1151 Number of shares available for future grants (in shares) Concept (Shares) As Of bxe:NumberOfInstrumentsAvailableForGrantInShareBasedPaymentArrangement
1152 2440407 - Disclosure - SHARE-BASED COMPENSATION PLANS - Options Range of Exercise Price (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansOptionsRangeOfExercisePriceDetails
1153 Disclosure of range of exercise prices of outstanding share options [table] Table

*

*

ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable
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1172 Share options outstanding, weighted average remaining contractual life (in years) Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
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1175 2440408 - Disclosure - SHARE-BASED COMPENSATION PLANS - Deferred Share Unit Plan (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansDeferredShareUnitPlanDetails
1176 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
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1185 2440409 - Disclosure - SHARE-BASED COMPENSATION PLANS - Award Plan (Details) Network

*

*

http://www.bxe.com/role/ShareBasedCompensationPlansAwardPlanDetails
1186 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
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1194 Performance Awards Member bxe:PerformanceShareUnitsPSUMember
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1196 Payout multiplier Concept (Percent) For Period bxe:PayoutMultiplierForSharebasedPaymentArrangements
1197 Vesting period Concept (xbrli:durationItemType) For Period bxe:VestingRequirementsForSharebasedPaymentArrangement
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1199 Forfeiture rate Concept (Percent) For Period bxe:ForfeitureRateOtherEquityInstrumentsGranted
1200 Number of instruments outstanding, beginning of period (in shares) Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1201 Number of instruments granted (in shares) Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1202 Number of instruments exercised (in shares) Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1203 Number instruments forfeited (in shares) Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1204 Number of instruments outstanding, end of period (in shares) Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1205 2443402 - Disclosure - INCOME TAXES - Narrative (Details) Network

*

*

http://www.bxe.com/role/IncomeTaxesNarrativeDetails
1206 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1207 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
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1209 Non-capital loss carryforwards Member ifrs-full:UnusedTaxLossesMember
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1211 Deferred tax expense (income) Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1212 Unrecognized benefit of deductible temporary differences in excess of taxable temporary differences Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
1213 Tax pools available for deduction Concept (Monetary) As Of Debit bxe:TaxPoolsAvailableforDeduction
1214 Tax pools available for deduction against future income Concept (Monetary) As Of Debit bxe:OperatingLossCarryforward1
1215 Federal and provincial corporate income tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1216 2443403 - Disclosure - INCOME TAXES - Reconciliation of Expected and Actual Income Tax Expense (Recovery) (Details) Network

*

*

http://www.bxe.com/role/IncomeTaxesReconciliationOfExpectedAndActualIncomeTaxExpenseRecoveryDetails
1217 Implied Table Table

*

*

implied:Table
1218 Income Taxes [Abstract] Abstract bxe:IncomeTaxesAbstract
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1220 Change in unrecognized deferred tax asset Concept (Monetary) For Period Debit bxe:TaxEffectInChangesInUnrecognizedDeferredTaxAssets
1221 Non-taxable portion of unrealized foreign exchange (gain) loss Concept (Monetary) For Period Debit bxe:NonDeductibleForeignExchangeGainsLosses
1222 Share based compensation expense Concept (Monetary) For Period Debit bxe:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLossExpenseFromShareBasedPaymentTransactionsWithEmployees
1223 Flow through share issuance Concept (Monetary) For Period Debit bxe:TaxEffectofTaxPoolsAssociatedwithFlowThroughShares
1224 Other Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
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1226 2443404 - Disclosure - INCOME TAXES - Deferred Tax Liabilities and Assets (Details) Network

*

*

http://www.bxe.com/role/IncomeTaxesDeferredTaxLiabilitiesAndAssetsDetails
1227 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
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1247 2443405 - Disclosure - INCOME TAXES - Continuity of Deferred Tax Asset (Liability) (Details) Network

*

*

http://www.bxe.com/role/IncomeTaxesContinuityOfDeferredTaxAssetLiabilityDetails
1248 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
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1272 2446402 - Disclosure - FINANCE INCOME AND EXPENSES (Details) Network

*

*

http://www.bxe.com/role/FinanceIncomeAndExpensesDetails
1273 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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1291 2449402 - Disclosure - FOREIGN EXCHANGE - Detail of Gain (Loss) on Foreign Exchange (Details) Network

*

*

http://www.bxe.com/role/ForeignExchangeDetailOfGainLossOnForeignExchangeDetails
1292 Implied Table Table

*

*

implied:Table
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1300 2452402 - Disclosure - PER SHARE AMOUNTS - Narrative (Details) Network

*

*

http://www.bxe.com/role/PerShareAmountsNarrativeDetails
1301 Implied Table Table

*

*

implied:Table
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1304 2452403 - Disclosure - PER SHARE AMOUNTS - Disclosure of Per Share Amounts (Details) Network

*

*

http://www.bxe.com/role/PerShareAmountsDisclosureOfPerShareAmountsDetails
1305 Implied Table Table

*

*

implied:Table
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1318 2455402 - Disclosure - COMMITMENTS - Summary of Operating Lease Maturities (Details) Network

*

*

http://www.bxe.com/role/CommitmentsSummaryOfOperatingLeaseMaturitiesDetails
1319 Disclosure of maturity analysis of operating lease payments [table] Table

*

*

ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable
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1323 2-3 Years Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
1324 4-5 Years Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
1325 More than 5 years Member ifrs-full:LaterThanFiveYearsMember
1326 Disclosure of maturity analysis of operating lease payments [line items] LineItems ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems
1327 Operating leases Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1328 Transportation and processing agreements Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsOfArrangementsThatIncludePaymentsForNonleaseElements
1329 Market diversification contract commitments Concept (num:energyItemType) As Of bxe:MarketDiversificationContractCommitments
1330 Midstream services and governance agreement, purchased capacity access limits Concept (Decimal) As Of bxe:MidstreamServicesAndGovernanceAgreementPurchasedCapacityAccessLimits
1331 Midstream services and governance agreement, purchased capacity contract term Concept (xbrli:durationItemType) For Period bxe:MidstreamServicesAndGovernanceAgreementPurchasedCapacityContractTerm
1332 2458402 - Disclosure - RELATED PARTY TRANSACTIONS (Details) Network

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http://www.bxe.com/role/RelatedPartyTransactionsDetails
1333 Disclosure of transactions between related parties [table] Table

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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1334 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1335 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1336 Director Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1337 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1338 Short-term employee benefits Concept (Monetary) For Period Debit bxe:KeyManagementPersonnelCompensationShortTermandLongTermEmployeeBenefits
1339 Share-based compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1340 Key management personnel compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1341 Key management personnel compensation, termination benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits
1342 Retainage deposit Concept (Monetary) As Of Debit bxe:RetainageDepositRelatedPartyTransactions
1343 Fees earned from advisor agreement Concept (Monetary) For Period Debit bxe:RelatedPartyTransactionExpensesfromTransactionswithRelatedParty1
1344 2459402 - Disclosure - SUPPLEMENTAL DISCLOSURES - Changes in Non-cash Working Capital (Details) Network

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http://www.bxe.com/role/SupplementalDisclosuresChangesInNonCashWorkingCapitalDetails
1345 Implied Table Table

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*

implied:Table
1346 Disclosure Of Supplemental Disclosures [Abstract] Abstract bxe:DisclosureOfSupplementalDisclosuresAbstract
1347 Accounts receivable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
1348 Loans receivable Concept (Monetary) For Period Debit bxe:AdjustmentsForDecreaseIncreaseInLoansReceivable
1349 Deposits and prepaid expenses Concept (Monetary) For Period Debit bxe:AdjustmentsForDecreaseIncreaseInCurrentPrepayments
1350 Accounts payable and accrued liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
1351 Increase (decrease) in working capital Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInWorkingCapital
1352 Operating activities Concept (Monetary) For Period Credit bxe:IncreaseDecreaseInWorkingCapitalOperatingActivites
1353 Financing activities Concept (Monetary) For Period Credit bxe:IncreaseDecreaseInWorkingCapitalFinancingActivities
1354 Investing activities Concept (Monetary) For Period Credit bxe:IncreaseDecreaseInWorkingCapitalInvestingActivites
1355 2459403 - Disclosure - SUPPLEMENTAL DISCLOSURES - Consolidated Statement of Comprehensive Income (Loss) Presentation (Details) Network

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http://www.bxe.com/role/SupplementalDisclosuresConsolidatedStatementOfComprehensiveIncomeLossPresentationDetails
1356 Disclosure of defined benefit plans [table] Table

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*

ifrs-full:DisclosureOfDefinedBenefitPlansTable
1357 Income Statement Location1 [Axis] Axis bxe:IncomeStatementLocation1Axis
1358 Income Statement Location1 [Domain] Member bxe:IncomeStatementLocation1Domain
1359 Production Member bxe:ProductionMember
1360 General and administrative Member bxe:GeneralAndAdministrativeExpense1Member
1361 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1362 Employee compensation Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1363 2460401 - Disclosure - SUBSEQUENT EVENT - Narrative (Details) Network

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http://www.bxe.com/role/SubsequentEventNarrativeDetails
1364 Subsequent Event1 [Table] Table

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*

bxe:SubsequentEvent1Table
1365 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1366 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1367 Credit Facilities Member bxe:RevolvingCreditFacilitiesMember
1368 Second Lien Notes (mature on September 11, 2023 to December 12, 2023) Member bxe:SecondLienNotesMember
1369 Second Lien Notes, Additional, Future Senior Note Exchanges Member bxe:SecondLienNotesAdditionalFutureSeniorNoteExchangesMember
1370 Third Lien Notes, Additional, Future Senior Note Exchanges Member bxe:ThirdLienNotesAdditionalFutureSeniorNoteExchangesMember
1371 Convertible debentures Member bxe:ConvertibleDebenturesMember
1372 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1373 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1374 Stated interest rate Member ifrs-full:FixedInterestRateMember
1375 Scenario1 [Axis] Axis bxe:Scenario1Axis
1376 Scenario1 [Domain] Member bxe:Scenario1Domain
1377 Scenario Forecast Member bxe:ScenarioForecast1Member
1378 Subsequent Event1 [Line Items] LineItems bxe:SubsequentEvent1LineItems
1379 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1380 Repayments of borrowings Concept (Monetary) For Period Credit bxe:RepaymentsOfBorrowings
1381 Accrued interest Concept (Monetary) As Of Credit bxe:AccruedInterest
1382 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1383 Debt instrument, covenant, percentage of outstanding common shares following the implementation of the recapitalization transaction, senior unsecured notes Concept (Percent) As Of bxe:DebtInstrumentCovenantPercentageofOutstandingCommonSharesFollowingtheImplementationoftheRecapitalizationTransactionSeniorUnsecuredNotes
1384 Debt instrument, covenant, percentage of outstanding common shares following the implementation of the recapitalization transaction, convertible debentures Concept (Percent) As Of bxe:DebtInstrumentCovenantPercentageofOutstandingCommonSharesFollowingtheImplementationoftheRecapitalizationTransactionConvertibleDebentures
1385 Debt instrument, covenant, percentage of outstanding common shares owned following the implementation of the recapitalization transaction Concept (Percent) As Of bxe:DebtInstrumentCovenantPercentageofOutstandingCommonSharesOwnedFollowingtheImplementationoftheRecapitalizationTransaction
1386 Debt instrument, covenant, percentage of warrants exercisable for commons shares Concept (Percent) As Of bxe:DebtInstrumentCovenantPercentageofWarrantsExercisableforCommonsShares
1387 Transaction costs Concept (Monetary) For Period Debit bxe:TransactionCostsOnBorrowingsExchange
1388 Debt instrument, covenant, executed support agreements percentage, senior unsecured notes Concept (Percent) As Of bxe:DebtInstrumentCovenantExecutedSupportAgreementsPercentageSeniorUnsecuredNotes
1389 Debt instrument, covenant, executed support agreements percentage, convertible debentures Concept (Percent) As Of bxe:DebtInstrumentCovenantExecutedSupportAgreementsPercentageConvertibleDebentures
1390 Debt term Concept (xbrli:durationItemType) For Period bxe:DebtTerm

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