| Standard label: | Other Repossessed Assets |
| Name: | us-gaap:OtherForeclosedAssets |
| Documentation: | Carrying amount as of the balance sheet date of assets other than real property that were received in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance. |
| 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:OtherForeclosedAssets |
| Label | Role | Language |
| Other Repossessed Assets | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 310 10 45 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 310 |
| FASB Accounting Standards Codification 310 10 50 11 | http://fasb.org/us-gaap/role/ref/legacyRef | 310 |