| Name | FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis |
|---|---|
| Namespace | http://fasb.org/srt/2021-01-31 |
| Prefix | srt |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:dimensionItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 942 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 470 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 45 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 1 | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 | http://www.xbrl.org/2009/role/commonPracticeRef |