 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations |
 | us-gaap:ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliatesAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable |
 | us-gaap:EquityMethodInvestmentSoldCarryingAmount | summation-item | http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesCalcAlt1 |
 | us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposalAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVentures |
 | us-gaap:EquityMethodInvestmentRealizedGainLossOnDisposalAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentsEquityMethodAndJointVenturesScheduleOfEquityMethodInvestmentsTable |