| Standard label: | Amortization of Debt Discount (Premium) |
| Name: | us-gaap:AmortizationOfDebtDiscountPremium |
| Documentation: | Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:AmortizationOfDebtDiscountPremium |
| Label | Role | Language |
| Amortization of Debt Discount (Premium) | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03.8) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |
| FASB Accounting Standards Codification 230 10 45 28 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 835 30 45 1A | http://fasb.org/us-gaap/role/ref/legacyRef | 835 |
| Part Of Roll Up: |
| us-gaap:AmortizationOfFinancingCostsAndDiscounts |