| Standard label: | Debtor Reorganization Items, Legal and Advisory Professional Fees |
| Name: | us-gaap:DebtorReorganizationItemsLegalAndAdvisoryProfessionalFees |
| Documentation: | Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy. |
| 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:DebtorReorganizationItemsLegalAndAdvisoryProfessionalFees |
| Label | Role | Language |
| Debtor Reorganization Items, Legal and Advisory Professional Fees | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 852 10 55 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |
| FASB Accounting Standards Codification 852 10 45 9 | http://fasb.org/us-gaap/role/ref/legacyRef | 852 |