| Standard label: | Deferred Income, Noncurrent |
| Name: | us-gaap:DeferredIncomeNoncurrent |
| Documentation: | Amount of deferred income excluding obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent. |
| 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:DeferredIncomeNoncurrent |
| Label | Role | Language |
| Deferred Income, Noncurrent | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 10 25 2 | http://www.xbrl.org/2009/role/commonPracticeRef | 470 |
| Part Of Roll Up: |
| us-gaap:DeferredRevenueNoncurrent |