| Name | ParticipatingMortgageLoansLineItems |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| 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 |
|---|---|---|---|
| Participating Mortgage Loans [Line Items] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ParticipatingMortgageLoansAppreciationInMarketValue | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt | |
us-gaap:ParticipatingMortgageLoansMortgageObligationsAmount | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt | |
us-gaap:ParticipatingMortgageLoansParticipationLiabilitiesAmount | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt | |
us-gaap:ParticipatingMortgageLoansExtinguishmentGainLoss | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt | |
us-gaap:ParticipatingMortgageLoansUnamortizedDebtDiscountAmount | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt | |
us-gaap:ParticipatingMortgageLoansTable | all | http://fasb.org/us-gaap/role/disclosure/DebtParticipatingMortgageLoansTable | |
us-gaap:ParticipatingMortgageLoansAppreciationInMarketValue | domain-member | http://fasb.org/us-gaap/role/disclosure/DebtParticipatingMortgageLoansTable | |
us-gaap:ParticipatingMortgageLoansMortgageObligationsAmount | domain-member | http://fasb.org/us-gaap/role/disclosure/DebtParticipatingMortgageLoansTable | |
us-gaap:ParticipatingMortgageLoansParticipationLiabilitiesAmount | domain-member | http://fasb.org/us-gaap/role/disclosure/DebtParticipatingMortgageLoansTable | |
us-gaap:ParticipatingMortgageLoansExtinguishmentGainLoss | domain-member | http://fasb.org/us-gaap/role/disclosure/DebtParticipatingMortgageLoansTable | |
us-gaap:ParticipatingMortgageLoansUnamortizedDebtDiscountAmount | domain-member | http://fasb.org/us-gaap/role/disclosure/DebtParticipatingMortgageLoansTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ParticipatingMortgageLoansTable | parent-child | http://fasb.org/us-gaap/role/disclosure/Debt |