| Standard label: | Extinguishment of Debt, Gain (Loss), Income Tax |
| Name: | us-gaap:ExtinguishmentOfDebtGainLossIncomeTax |
| Documentation: | Current period income tax expense or benefit pertaining to a gain (loss) on an extinguishment of debt. |
| 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:ExtinguishmentOfDebtGainLossIncomeTax |
| Label | Role | Language |
| Extinguishment of Debt, Gain (Loss), Income Tax | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 50 40 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 470 |