| Standard label: | Deposit Liabilities with Abnormal Terms |
| Name: | us-gaap:DepositLiabilitiesWithAbnormalTerms |
| Documentation: | Amount of deposits held by the entity on terms other than those available in the normal course of business. |
| 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:DepositLiabilitiesWithAbnormalTerms |
| Label | Role | Language |
| Deposit Liabilities with Abnormal Terms | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 405 50 1 (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |