| Standard label: | Schedule of Preferred Units [Table] |
| Name: | us-gaap:ScheduleOfPreferredUnitsTable |
| Documentation: | Schedule providing details of the units of a Master Limited Partnership that have priority over limited partner units in areas including liquidation, redemption, conversion, tax status of distribution or sharing in distributions. Details include the preferred units authorized, issued and outstanding, the cumulative cash distributions made to preferred partners, the cumulative net income shared by preferred partners, and the aggregate account balances of preferred partners. |
| Object type: | cm:Table |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ScheduleOfPreferredUnitsTable |
| Label | Role | Language |
| Schedule of Preferred Units [Table] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 272 10 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 272 |
| FASB Accounting Standards Codification 272 10 50 3 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 272 |
| FASB Accounting Standards Codification 505 10 S99 5 (SAB TOPIC 4.F) | http://fasb.org/us-gaap/role/ref/legacyRef | 505 |
| FASB Accounting Standards Codification 946 210 S99 1 (SX 210.6-04(16)) | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |