| Standard label: | Deferred Revenue [Domain] |
| Name: | us-gaap:DeferredRevenueArrangementTypeDomain |
| Documentation: | Category of obligation arising when an entity receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DeferredRevenueArrangementTypeDomain |
| Label | Role | Language |
| Deferred Revenue [Domain] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 45 8 (b) | http://fasb.org/us-gaap/role/ref/otherTransitionRef | 210 |