 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperations |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-RealEstateOperationsStatementTable |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperations |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified-RealEstateOperationsStatementTable |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:PropertyPlantAndEquipmentNet | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedStatementTable |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:PropertyPlantAndEquipmentNetAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations |
 | us-gaap:PropertyPlantAndEquipmentNetAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable |
 | us-gaap:PropertyPlantAndEquipmentNetAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations |
 | us-gaap:PropertyPlantAndEquipmentNetAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable |
 | us-gaap:MovementInPropertyPlantAndEquipmentRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:MovementInPropertyPlantAndEquipmentRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:PropertyPlantAndEquipmentGrossAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment |
 | us-gaap:MovementInPropertyPlantAndEquipmentRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentTable |
 | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization | summation-item | http://fasb.org/us-gaap/role/disclosure/Leases842 |