| Standard label: | Limited Partners' Contributed Capital | 
| Name: | us-gaap:LimitedPartnersContributedCapital | 
| Documentation: | The amount of capital contributed by the limited partners. | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | As Of (instant) | 
| Balance type: | Credit | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LimitedPartnersContributedCapital | 
| Label | Role | Language | 
| Limited Partners' Contributed Capital | 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 505 10 S99 5 (SAB TOPIC 4.F) | http://fasb.org/us-gaap/role/ref/legacyRef | 505 |