 | us-gaap:TangibleCapital | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:TangibleCapitalRequiredForCapitalAdequacy | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:ExcessTangibleCapital | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:TangibleCapitalToTangibleAssets | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:TangibleCapitalRequiredForCapitalAdequacyToTangibleAssets | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:ExcessTangibleCapitalRequiredForCapitalAdequacyToTangibleAssets | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:TangibleCapital | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:TangibleCapitalRequiredForCapitalAdequacy | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:ExcessTangibleCapital | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:TangibleCapitalToTangibleAssets | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:TangibleCapitalRequiredForCapitalAdequacyToTangibleAssets | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |
 | us-gaap:ExcessTangibleCapitalRequiredForCapitalAdequacyToTangibleAssets | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable |