| Standard label: | Distribution Made to Limited Partner, Date of Record | 
| Name: | us-gaap:DistributionMadeToLimitedPartnerDateOfRecord | 
| Documentation: | Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format. | 
| Object type: | cm:Concept | 
| Data type: | Date (xbrli:dateItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DistributionMadeToLimitedPartnerDateOfRecord | 
| Label | Role | Language | 
| Distribution Made to Limited Partner, Date of Record | 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 1 (SX 210.3-04) | http://fasb.org/us-gaap/role/ref/legacyRef | 505 |