| Standard label: | Goodwill, Impairment Loss, Net of Tax |
| Name: | us-gaap:GoodwillImpairmentLossNetOfTax |
| Documentation: | Amount after tax of loss recognized that results from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:GoodwillImpairmentLossNetOfTax |
| Label | Role | Language |
| Goodwill, Impairment Loss, Net of Tax | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |