| Name | CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTable |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Schedule presenting certain loans acquired in a transfer relating to specific counterparties. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2012 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:CounterpartyNameAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers | |
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers | |
srt:CounterpartyNameAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthers | |
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodLineItems | all | http://fasb.org/us-gaap/role/disclosure/ReceivablesLoansNotesReceivableAndOthersCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTable |