| Standard label: | Partners' Capital Account, Units |
| Name: | us-gaap:PartnersCapitalAccountUnits |
| Documentation: | The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners. |
| Object type: | cm:Concept |
| Data type: | Shares (xbrli:sharesItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:PartnersCapitalAccountUnits |
| Label | Role | Language |
| Partners' Capital Account, Units | http://www.xbrl.org/2003/role/label | en-US |
| Partners' Capital Account, Units, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| Partners' Capital Account, Units, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| Reference | Role | Topic |
| 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(a)) | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |
| FASB Accounting Standards Codification 946 210 S99 1 (SX 210.6-04.16(b)) | http://fasb.org/us-gaap/role/ref/legacyRef | 946 |