| Name | DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLossCurrent | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLossesCalc2 | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLossNoncurrent | summation-item | http://fasb.org/us-gaap/role/disclosure/CreditLossesCalc2 |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperations | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-DepositBasedOperationsStatementTable | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperations | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-InvestmentBasedOperationsStatementTable | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossAbstract | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperations | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossAbstract | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionUnclassified-SecuritiesBasedOperationsStatementTable | |
us-gaap:HeldToMaturitySecurities | summation-item | http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLossAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityPastDueLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLossAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityPastDueLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityPastDueTable |