| Standard label: | Interest Paid, Excluding Capitalized Interest, Operating Activities |
| Name: | us-gaap:InterestPaidNet |
| Documentation: | Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. |
| 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:InterestPaidNet |
| Label | Role | Language |
| Interest Paid, Excluding Capitalized Interest, Operating Activities | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 50 2 | http://www.xbrl.org/2003/role/disclosureRef | 230 |
| FASB Accounting Standards Codification 230 10 45 17 (d) | http://www.xbrl.org/2003/role/disclosureRef | 230 |
| FASB Accounting Standards Codification 230 10 45 25 (e) | http://www.xbrl.org/2003/role/disclosureRef | 230 |
| Part Of Roll Up: |
| us-gaap:InterestPaid |
| us-gaap:PaymentsForOperatingActivities |