| Standard label: | Liquidation Date, Expected to Complete | 
| Name: | us-gaap:LiquidationDate1 | 
| Documentation: | Date the liquidation is expected to be completed, 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:LiquidationDate1 | 
| Label | Role | Language | 
| Liquidation Date, Expected to Complete | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 205 30 50 2 (b)(3) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |