| Name | FinancingReceivableModificationsDeterminationOfAllowanceForCreditLosses1 |
|---|---|
| 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 | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Financing Receivable, Modifications, Determination of Allowance for Credit Losses (Deprecated 2019-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Description of how troubled debt restructurings that occurred during the period are factored into the determination of the allowance for credit losses. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeprecatedItems | parent-child | http://fasb.org/us-gaap/role/deprecated/deprecated | |
us-gaap:LoansAndLeasesReceivableTroubledDebtRestructuringPolicy | dep-aggregateConcept-deprecatedPartConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |