| Standard label: | Restricted Cash Equivalents, Current, Asset, Statement of Financial Position [Extensible List] |
| Name: | us-gaap:RestrictedCashEquivalentsCurrentAssetStatementOfFinancialPositionExtensibleList |
| Documentation: | Indicates line item in statement of financial position that includes cash equivalents restricted to withdrawal or usage, classified as current. |
| Object type: | cm:Concept |
| Data type: | srt-types:extensibleListItemType |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RestrictedCashEquivalentsCurrentAssetStatementOfFinancialPositionExtensibleList |
| Label | Role | Language |
| Restricted Cash Equivalents, Current, Asset, Statement of Financial Position [Extensible List] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 50 8 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |