 | us-gaap:InterestAndFeeIncomeLoansHeldForSaleMortgages | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestAndFeeIncomeOtherLoansHeldForSale | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestAndFeeIncomeLoansAndLeasesHeldForSale | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue |
 | us-gaap:InterestAndFeeIncomeLoansHeldForSaleMortgages | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestAndFeeIncomeOtherLoansHeldForSale | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestAndFeeIncomeLoansAndLeasesHeldForSale | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable |
 | us-gaap:InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestAndFeeIncomeLoansHeldForSaleMortgages | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestAndFeeIncomeOtherLoansHeldForSale | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |
 | us-gaap:InterestAndFeeIncomeLoansAndLeasesHeldForSale | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBankingAndThriftInterest |