| Standard label: | Contract with Customer, Performance Obligation Satisfied in Previous Period |
| Name: | us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod |
| Documentation: | Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod |
| Label | Role | Language |
| Contract with Customer, Performance Obligation Satisfied in Previous Period | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 606 10 50 12A | http://www.xbrl.org/2003/role/disclosureRef | 606 |