| Standard label: | Deferred Compensation Liability, Classified, Noncurrent |
| Name: | us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent |
| Documentation: | Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent |
| Label | Role | Language |
| Deferred Compensation Liability, Classified, Noncurrent | http://www.xbrl.org/2003/role/label | en-US |
| Deferred Compensation Liability, Classified, Noncurrent, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| Part Of Roll Up: |
| us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent |