| Standard label: | Fresh-Start Adjustment, Description |
| Name: | us-gaap:FreshStartAdjustmentDescription |
| Documentation: | The effect of the fresh-start adjustment on asset, liability and equity accounts included in the preconfirmation balance sheet that is the basis to arrive at the postconfirmation balance sheet. |
| 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:FreshStartAdjustmentDescription |
| Label | Role | Language |
| Fresh-Start Adjustment, Description | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 852 10 50 7 (a)-(b) | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |
| FASB Accounting Standards Codification 852 10 55 10 | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |