| Name | OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterestHeldtomaturitySecurities |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, Tax, Portion Attributable to Noncontrolling Interest, Held-to-maturity Securities | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:OtherThanTemporaryImpairmentLossInvestmentsPortionInOtherComprehensiveLossTaxAttributableToParentHeldToMaturitySecuritiesAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfOtherComprehensiveIncomeAlternative | |
us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterestAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfOtherComprehensiveIncomeAlternative | |
us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxPortionAttributableToParentHeldtomaturitySecurities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfOtherComprehensiveIncomeAlternative | |
us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxPortionAttributableToNoncontrollingInterest | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfOtherComprehensiveIncomeAlternative |