| Name | FreshStartAdjustmentsTable |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Reorganization, Chapter 11 [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure of information about reorganization under Chapter 11 of Bankruptcy Code. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Reorganization:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2021 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2020-09 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedLabels | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Description and amount of adjustment to historical balance sheet to arrive at fresh-start amount. | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 852 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 45 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 14 | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=124437977&loc=d3e55792-112764 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 852 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 7 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (a) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 852 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 7 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (b) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765 | http://www.xbrl.org/2003/role/disclosureRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 852 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/exampleRef |
| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 10 | http://www.xbrl.org/2003/role/exampleRef |
| URI | http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 | http://www.xbrl.org/2003/role/exampleRef |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:ConsolidatedEntitiesAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/Reorganizations | |
us-gaap:FreshStartAdjustmentsTypeOfFreshStartAdjustmentAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/Reorganizations | |
us-gaap:ReorganizationChapter11LineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/Reorganizations | |
srt:ConsolidatedEntitiesAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ReorganizationsFreshStartAdjustmentsTable | |
us-gaap:FreshStartAdjustmentsTypeOfFreshStartAdjustmentAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ReorganizationsFreshStartAdjustmentsTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfFreshStartAdjustmentsTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/Reorganizations | |
us-gaap:ReorganizationChapter11LineItems | all | http://fasb.org/us-gaap/role/disclosure/ReorganizationsFreshStartAdjustmentsTable |