| Standard label: | Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged |
| Name: | us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 |
| Documentation: | Amount of the collateral pledged in support of federal home loan bank advances outstanding. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 |
| Label | Role | Language |
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, 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 |