| Standard label: | Deposit Liabilities, Description |
| Name: | us-gaap:DepositLiabilitiesDescription |
| Documentation: | Description of the deposits held by the entity, which may include a description of the types and repayment terms of the deposits, the accounting policy for the deposits and the amount of the liabilities recognized for the deposits. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DepositLiabilitiesDescription |
| Label | Role | Language |
| Deposit Liabilities, Description | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.12) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 405 45 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |