| Name | LifeSettlementContractsFairValueMethodFaceValueRollingMaturityAbstract |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Life Settlement Contracts, Fair Value Method, Face Value, Rolling Maturity [Abstract] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:LifeSettlementContractsFairValueMethodFaceValueMaturingInNextRollingTwelveMonths | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments | |
us-gaap:LifeSettlementContractsFairValueMethodFaceValueMaturingInRollingYearTwo | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments | |
us-gaap:LifeSettlementContractsFairValueMethodFaceValueMaturingInRollingYearThree | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments | |
us-gaap:LifeSettlementContractsFairValueMethodFaceValueMaturingInRollingYearFour | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments | |
us-gaap:LifeSettlementContractsFairValueMethodFaceValueMaturingInRollingYearFive | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments | |
us-gaap:LifeSettlementContractsFairValueMethodFaceValueMaturingAfterRollingYearFive | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments | |
us-gaap:LifeSettlementContractsFairValueMethodFaceValue | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfLifeSettlementContractsFairValueMethodTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsAllOtherInvestments |