 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedUSGovernmentAndAgencyObligations | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedStateAndMunicipalGovernmentObligations | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedOtherSovereignGovernmentDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedCorporateDebt | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedCorporateEquities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedPhysicalCommoditiesSold | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedMortgagesMortgageBackedAndAssetBackedSecurities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:FinancialInstrumentsSoldNotYetPurchasedDerivativesAndOtherContracts | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |