| Standard label: | Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End |
| Name: | us-gaap:FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd |
| Documentation: | The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd |
| Label | Role | Language |
| Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.13(3)(a)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |