| Standard label: | Life Settlement Contracts, Fair Value Method, Gain (Loss) |
| Name: | us-gaap:LifeSettlementContractsFairValueMethodGainLoss |
| Documentation: | This item represents the gains or losses recognized and realized during the period on investments in life settlement contracts sold during the period. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LifeSettlementContractsFairValueMethodGainLoss |
| Label | Role | Language |
| Life Settlement Contracts, Fair Value Method, Gain (Loss) | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 325 30 50 10 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 325 |