| Standard label: | Preconfirmation, Additional Paid-in Capital |
| Name: | us-gaap:PreconfirmationAdditionalPaidInCapital |
| Documentation: | Amount of additional paid-in capital at the balance sheet date before fresh-start adjustments. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:PreconfirmationAdditionalPaidInCapital |
| Label | Role | Language |
| Preconfirmation, Additional Paid-in Capital | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 852 10 55 10 | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |