| Standard label: | Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Description of Collateral Pledged |
| Name: | us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresDescriptionOfCollateralPledged |
| Documentation: | Describes the collateral pledged in support of Federal Home Loan Bank advances outstanding as of the Balance Sheet date. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresDescriptionOfCollateralPledged |
| Label | Role | Language |
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Description of Collateral Pledged | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 470 45 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 470 50 3 (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |