| Standard label: | Federal Funds Purchased and Securities Sold under Agreements to Repurchase |
| Name: | us-gaap:FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase |
| Documentation: | Amount after offset of short term borrowing where a bank borrows, at the federal funds rate, from another bank and securities that an entity sells and agrees to repurchase at a specified date for a specified price. |
| 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:FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase |
| Label | Role | Language |
| Federal Funds Purchased and Securities Sold under Agreements to Repurchase | http://www.xbrl.org/2003/role/label | en-US |
| Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.13(1)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |