IndexReserves Reported to Other Agencies [Table Text Block]
| Name | ReservesReportedToOtherAgenciesTextBlock |
|---|---|
| Namespace | http://fasb.org/us-gaap/2022 |
| Prefix | us-gaap |
| Data type | dtr-types:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Reserves Reported to Other Agencies [Table Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Tabular disclosure of reserves reported to other federal agencies or authorities. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |