| Standard label: | Liabilities Subject to Compromise |
| Name: | us-gaap:LiabilitiesSubjectToCompromise |
| Documentation: | Total amount of liabilities subject to compromise. |
| 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:LiabilitiesSubjectToCompromise |
| Label | Role | Language |
| Liabilities Subject to Compromise | http://www.xbrl.org/2003/role/label | en-US |
| Liabilities Subject to Compromise, Ending Balance | http://www.xbrl.org/2003/role/periodEndLabel | en-US |
| Liabilities Subject to Compromise, Beginning Balance | http://www.xbrl.org/2003/role/periodStartLabel | en-US |
| Liabilities Subject to Compromise, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 852 10 50 2 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |
| FASB Accounting Standards Codification 852 10 55 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |
| FASB Accounting Standards Codification 852 10 45 4 | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |