| Name | FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusAggregatedDifference |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| 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 |
|---|---|---|---|
| Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status, Aggregated Difference | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are in nonaccrual status. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 825 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 28 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Subparagraph | (e)(3) | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 | http://fasb.org/us-gaap/role/ref/legacyRef |