| Standard label: | Schedule of Extinguishment of Debt [Table] |
| Name: | us-gaap:ScheduleOfExtinguishmentOfDebtTable |
| Documentation: | A table or schedule providing information pertaining to debt extinguished, including the amount of gain (loss) on the debt extinguished, the income tax effect on the gain (loss), and the amount of gain (loss), net of the related income tax. |
| Object type: | cm:Table |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ScheduleOfExtinguishmentOfDebtTable |
| Label | Role | Language |
| Schedule of Extinguishment of Debt [Table] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 50 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 470 |