 | us-gaap:BankingRegulationCapitalConservationBufferCommonEquityTierOneRiskBasedCapitalActual | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:BankingRegulationCapitalConservationBufferTierOneRiskBasedCapitalActual | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:BankingRegulationCapitalConservationBufferTotalRiskBasedCapitalActual | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:BankingRegulationCapitalConservationBufferCapitalConservedMinimum | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:BankingRegulationCapitalConservationBufferCommonEquityTierOneRiskBasedCapitalActual | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:BankingRegulationCapitalConservationBufferTierOneRiskBasedCapitalActual | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:BankingRegulationCapitalConservationBufferTotalRiskBasedCapitalActual | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:BankingRegulationCapitalConservationBufferCapitalConservedMinimum | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |