| Standard label: | Description of Regulatory Requirements, Capital Adequacy Purposes |
| Name: | us-gaap:DescriptionOfRegulatoryRequirementsCapitalAdequacyPurposes |
| Documentation: | Description of the regulatory requirements for capital adequacy purposes. |
| 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:DescriptionOfRegulatoryRequirementsCapitalAdequacyPurposes |
| Label | Role | Language |
| Description of Regulatory Requirements, Capital Adequacy Purposes | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 505 50 1H (a)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 505 50 1 (a)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |