 | us-gaap:DerivativeAssetFairValueNetAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/BalanceSheetOffsetting |
 | us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangementAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/BalanceSheetOffsetting |
 | us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral | summation-item | http://fasb.org/us-gaap/role/disclosure/BalanceSheetOffsetting |
 | us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement | summation-item | http://fasb.org/us-gaap/role/disclosure/BalanceSheetOffsetting1 |
 | us-gaap:DerivativeAssetFairValueNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/BalanceSheetOffsettingOffsettingAssetsTable |
 | us-gaap:DerivativeAssetFairValueNetAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivities |
 | us-gaap:DerivativeAssetFairValueNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesDerivativeTable |
 | us-gaap:DerivativeAssetFairValueNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/DerivativeInstrumentsAndHedgingActivitiesFairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable |
 | us-gaap:TransferOfFinancialAssetsAccountedForAsSalesLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing |
 | us-gaap:TransferOfFinancialAssetsAccountedForAsSalesLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingTransferOfFinancialAssetsAccountedForAsSalesTable |
 | us-gaap:TransferOfFinancialAssetsAccountedForAsSalesLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:TransferOfFinancialAssetsAccountedForAsSalesLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftTransferOfFinancialAssetsAccountedForAsSalesTable |
 | us-gaap:TransferOfFinancialAssetsAccountedForAsSalesLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealers |
 | us-gaap:TransferOfFinancialAssetsAccountedForAsSalesLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersTransferOfFinancialAssetsAccountedForAsSalesTable |