| Name | DebtSecuritiesHeldToMaturityCreditQualityIndicatorLineItems |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | Financial Instruments-Credit Losses | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-09 | http://fasb.org/srt/role/changeNote/changeNote |
| NewElement | true | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2016-13 | http://fasb.org/srt/role/changeNote/changeNote |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DebtSecuritiesHeldToMaturityOriginatedInCurrentFiscalYear | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedInFiscalYearBeforeLatestFiscalYear | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedTwoYearsBeforeLatestFiscalYear | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedThreeYearsBeforeLatestFiscalYear | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedFourYearsBeforeLatestFiscalYear | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedFiveOrMoreYearsBeforeLatestFiscalYear | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:HeldToMaturitySecurities | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityAccruedInterestBeforeAllowanceForCreditLoss | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityExcludedAccruedInterest | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityCreditQualityIndicatorDateUpdated | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityCreditQualityIndicatorUpdateFrequencyExtensibleList | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses | |
us-gaap:DebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | all | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedInCurrentFiscalYear | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedInFiscalYearBeforeLatestFiscalYear | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedTwoYearsBeforeLatestFiscalYear | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedThreeYearsBeforeLatestFiscalYear | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedFourYearsBeforeLatestFiscalYear | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityOriginatedFiveOrMoreYearsBeforeLatestFiscalYear | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:HeldToMaturitySecurities | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityAccruedInterestBeforeAllowanceForCreditLoss | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityExcludedAccruedInterest | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityCreditQualityIndicatorDateUpdated | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | |
us-gaap:DebtSecuritiesHeldToMaturityCreditQualityIndicatorUpdateFrequencyExtensibleList | domain-member | http://fasb.org/us-gaap/role/disclosure/CreditLossesDebtSecuritiesHeldToMaturityCreditQualityIndicatorTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DebtSecuritiesHeldToMaturityCreditQualityIndicatorTable | parent-child | http://fasb.org/us-gaap/role/disclosure/CreditLosses |