| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable |
| Type | Element |
|---|---|
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| Explicit | us-gaap:InformationByCategoryOfDebtSecurityAxis |
| Member | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain |
| Member | us-gaap:AvailableforsaleSecuritiesMember |
| Member | us-gaap:HeldtomaturitySecuritiesMember |
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| Label/QName |
|---|
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems |
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsRollForward |
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld |
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us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold |
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus |
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses |
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows |
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease |