| Standard label: | Basis of Financial Statement Presentation in Chapter 11 |
| Name: | us-gaap:BasisOfFinancialStatementPresentationInChapter11 |
| Documentation: | Description of the basis of the financial statement presentation, including the method for determining value of liabilities subject to compromise, of an entity that has filed for bankruptcy protection under Chapter 11. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:BasisOfFinancialStatementPresentationInChapter11 |
| Label | Role | Language |
| Basis of Financial Statement Presentation in Chapter 11 | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |
| FASB Accounting Standards Codification 852 10 50 7 (c)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |