| Standard label: | Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net |
| Name: | us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet |
| Documentation: | Amount of unamortized debt discount (premium) and debt issuance costs. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet |
| Label | Role | Language |
| Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net | http://www.xbrl.org/2003/role/label | en-US |
| Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 20 50 4 (b)(2) | http://www.xbrl.org/2003/role/disclosureRef | 470 |
| FASB Accounting Standards Codification 835 30 45 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 835 |