| Standard label: | Goodwill, Impaired, Method for Fair Value Determination |
| Name: | us-gaap:GoodwillImpairedMethodForFairValueDetermination |
| Documentation: | Description of how the fair value of the impaired goodwill of the reporting unit was determined for goodwill valuation 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:GoodwillImpairedMethodForFairValueDetermination |
| Label | Role | Language |
| Goodwill, Impaired, Method for Fair Value Determination | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 350 20 50 2 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 350 |
| FASB Accounting Standards Codification 350 20 35 22 | http://fasb.org/us-gaap/role/ref/legacyRef | 350 |
| FASB Accounting Standards Codification 350 20 35 23 | http://fasb.org/us-gaap/role/ref/legacyRef | 350 |
| FASB Accounting Standards Codification 350 20 35 24 | http://fasb.org/us-gaap/role/ref/legacyRef | 350 |