 | us-gaap:DepositsByTypeAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:DepositsByCustomerAlternativeAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:DepositsInterestBearingAndNoninterestBearingAlternativeAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:DepositsForeignNoninterestBearingAndInterestBearingCombinedAlternativeAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations |
 | us-gaap:DepositsByTypeAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:DepositsByCustomerAlternativeAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:DepositsInterestBearingAndNoninterestBearingAlternativeAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:DepositsForeignNoninterestBearingAndInterestBearingCombinedAlternativeAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable |
 | us-gaap:DepositsByCustomerAlternativeAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |
 | us-gaap:DepositsForeignNoninterestBearingAndInterestBearingCombinedAlternativeAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThrift |