| Name | FederalHomeLoanBankAdvancesFixedRateUnderOneYear |
|---|---|
| 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 |
|---|---|---|---|
| Federal Home Loan Bank, Advance, Fixed Rate, Year One | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Par amount of advance made and reported by Federal Home Loan Bank (FHLBank) with fixed interest rate maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |