| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesTmp011DebtSecuritiesAvailableForSaleTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:DebtSecuritiesAvailableForSaleTable |
| Explicit | us-gaap:FinancialInstrumentAxis |
| Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain |
| Member | us-gaap:ResidentialMortgageBackedSecuritiesMember |
| Member | us-gaap:CommercialMortgageBackedSecuritiesMember |
| Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember |
| Member | us-gaap:USTreasurySecuritiesMember |
| Member | us-gaap:ForeignGovernmentDebtSecuritiesMember |
| Member | us-gaap:DomesticCorporateDebtSecuritiesMember |
| Member | us-gaap:ForeignCorporateDebtSecuritiesMember |
| Member | us-gaap:CollateralizedLoanObligationsMember |
| Member | us-gaap:MortgageBackedSecuritiesMember |
| Label/QName |
|---|
us-gaap:ScheduleOfAvailableForSaleSecuritiesLineItems |
us-gaap:AvailableForSaleSecuritiesDebtSecurities |
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax |
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax |
us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis |