| Standard label: | Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP |
| Name: | us-gaap:EmployeeStockOwnershipPlanESOPSharesContributedToESOP |
| Documentation: | This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period. |
| Object type: | cm:Concept |
| Data type: | Shares (xbrli:sharesItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EmployeeStockOwnershipPlanESOPSharesContributedToESOP |
| Label | Role | Language |
| Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 718 40 50 1 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 718 |