 | us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRevenue | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:TypeOfRevenueExtensibleList | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:AmortizationOfLeaseIncentives | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:DirectFinancingLeaseRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:DirectFinancingLeaseVariableLeaseIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:DirectFinancingLeaseInterestIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:SalesTypeLeaseRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:SalesTypeLeaseVariableLeaseIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:SalesTypeLeaseInterestIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:OperatingLeaseLeaseIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:SubleaseIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:RevenueFromRelatedParties | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:SaleOfTrustAssetsToPayExpenses | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:InsuranceCommissionsAndFees | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:InsuranceAgencyManagementFee | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:GainsLossesOnSalesOfAssets | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:PremiumsEarnedNet | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:NetInvestmentIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:RealizedInvestmentGainsLosses | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:InvestmentBankingRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:UnderwritingIncomeLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:PrincipalTransactionsRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:MarketDataRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:RevenuesExcludingInterestAndDividends | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:BrokerageCommissionsRevenue | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:OtherOperatingIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:OtherIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
 | us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncomeFirstAlternative |
 | us-gaap:NoninterestIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncomeFirstAlternative |
 | us-gaap:TypeOfRevenueExtensibleList | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable |
 | us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfOtherComprehensiveIncome |
 | us-gaap:RevenueNotFromContractWithCustomer | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfOtherComprehensiveIncome |
 | us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax | summation-item | http://fasb.org/us-gaap/role/disclosure/RevenuefromContractswithCustomers |
 | us-gaap:RevenueNotFromContractWithCustomer | summation-item | http://fasb.org/us-gaap/role/disclosure/RevenuefromContractswithCustomers |