| Standard label: | Long-term Federal Home Loan Bank Advances |
| Name: | us-gaap:FederalHomeLoanBankAdvancesLongTerm |
| Documentation: | Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FederalHomeLoanBankAdvancesLongTerm |
| Label | Role | Language |
| Long-term Federal Home Loan Bank Advances | http://www.xbrl.org/2003/role/label | en-US |
| Long-term Federal Home Loan Bank Advances, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.16) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 470 45 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 470 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |