| Standard label: | Time Deposits, Less than $100,000 |
| Name: | us-gaap:TimeDepositsLessThan100000 |
| Documentation: | Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $100,000. |
| 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:TimeDepositsLessThan100000 |
| Label | Role | Language |
| Time Deposits, Less than $100,000 | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| SEC Industry Guide 3 V D-E | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |