| Name | RealEstateAssetsHeldForDevelopmentAndSale |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Real Estate Assets Held for Development and Sale | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Real Estate Assets Held for Development and Sale, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| For banks, the total amount of real estate assets held for development and sale. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:RealEstateHeldForDevelopmentAndSale | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:RealEstateInvestmentSubsidiariesCashAndOtherAssets | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:RealEstateHeldForDevelopmentAndSaleNet | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:RealEstateAssetsHeldForDevelopmentAndSaleAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |