| Standard label: | Classification of Institution, Credit Unions |
| Name: | us-gaap:ClassificationOfInstitutionCreditUnions |
| Documentation: | Description of whether the institution meets the definition of a complex credit union as defined by the National Credit Union Administration. |
| 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:ClassificationOfInstitutionCreditUnions |
| Label | Role | Language |
| Classification of Institution, Credit Unions | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 505 50 1H (c)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |