| Standard label: | Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Redemption Restriction, Lapse Date |
| Name: | us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionLapseDate1 |
| Documentation: | Date when restriction from redemption might lapse for investment measured at net asset value per share or unit, 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:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionLapseDate1 |
| Label | Role | Language |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Redemption Restriction, Lapse Date | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 820 10 50 6A (e) | http://www.xbrl.org/2003/role/disclosureRef | 820 |