| Standard label: | Long-term Debt |
| Name: | us-gaap:LongTermDebt |
| Documentation: | Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. |
| 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:LongTermDebt |
| Label | Role | Language |
| Long-term Debt | http://www.xbrl.org/2003/role/label | en-US |
| Long-term Debt, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(22)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 470 20 50 4 (b)(3) | http://www.xbrl.org/2003/role/disclosureRef | 470 |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03(16)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 944 210 S99 1 (SX 210.7-03(a)(16)) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |