| Standard label: | Interest Expense, Debt, Excluding Amortization | 
| Name: | us-gaap:InterestExpenseDebtExcludingAmortization | 
| Documentation: | Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs. | 
| 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:InterestExpenseDebtExcludingAmortization | 
| Label | Role | Language | 
| Interest Expense, Debt, Excluding Amortization | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 220 10 S99 2 8 | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |