 | us-gaap:InterestIncomeSecuritiesMortgageBacked | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestIncomeSecuritiesStateAndMunicipal | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernmentAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestIncomeSecuritiesCorporateDebtOperating | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestIncomeOperating | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestIncomeSecuritiesMortgageBacked | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestIncomeSecuritiesStateAndMunicipal | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernmentAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestIncomeSecuritiesCorporateDebtOperating | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestIncomeSecuritiesMortgageBacked | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestIncomeSecuritiesStateAndMunicipal | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernmentAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestIncomeSecuritiesCorporateDebtOperating | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestIncomeOperating | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |