| Standard label: | Share-based Compensation Arrangement by Share-based Payment Award, Policy for Issuing Shares upon Exercise |
| Name: | us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPolicyForIssuingSharesUponExercise |
| Documentation: | The policy, if any, for issuing shares (or other type of equity) upon exercise or conversion of equity-based awards into shares of stock or units, including the source of those shares or units (that is, new share, new unit, treasury shares or treasury units). |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPolicyForIssuingSharesUponExercise |
| Label | Role | Language |
| Share-based Compensation Arrangement by Share-based Payment Award, Policy for Issuing Shares upon Exercise | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 718 10 50 2 (l) | http://fasb.org/us-gaap/role/ref/legacyRef | 718 |