| Name | LifeSettlementContractsInvestmentMethodNumberOfContractsMaturingInRemainderOfFiscalYear |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:integerItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Life Settlement Contract, Investment Method, Number of Contracts, Maturity, Remainder of Fiscal Year | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Number of life settlement contracts accounted for under investment method maturing in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |