| Name | FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateInRollingYearFour |
|---|---|
| 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, Advances, Earlier of Contractual Maturity or Next Call Date, in Rolling Year Four | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Par amount of advances made and reported by Federal Home Loan Bank (FHLBank) with the earlier of contractual maturity or next call date within the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FederalHomeLoanBankAdvancesEarlierOfContractualMaturityOrNextCallDateRollingYearParValueAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesFederalHomeLoanBanks | |
us-gaap:FederalHomeLoanBankAdvancesParValue | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesFederalHomeLoanBanks |