Quarterly report pursuant to Section 13 or 15(d)

FRESH START ACCOUNTING (Reorganization Adjustment to Retained Earnings (Accumulated Deficit)) (Details)

v3.21.2
FRESH START ACCOUNTING (Reorganization Adjustment to Retained Earnings (Accumulated Deficit)) (Details) - USD ($)
$ in Thousands
 1 Months Ended 2 Months Ended 5 Months Ended
Jun. 30, 2021
May 17, 2021
May 17, 2021
Dec. 31, 2020
Reorganization, Chapter 11 [Line Items]        
Professional fees earned at Emergence $ 0 $ (40,782) $ (81,565)  
Retained earnings (accumulated deficit) $ (210,617) 0 0 $ (4,472,859)
Extinguishment of Predecessor common stock and paid in capital        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   4,221,864 4,221,864  
Recognition of counterparty credits due to settlements effectuated at Emergence        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   4,247 4,247  
Deferred compensation earned at Emergence        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   (2,073) (2,073)  
Extinguishment of Predecessor accumulated other comprehensive income        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   (40,430) (40,430)  
Write-off of debt issuance costs related to Exit Credit Facility Notes        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   (3,150) (3,150)  
Severance costs incurred as a result of the Plan        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   (5,961) (5,961)  
Rights offering backstop commitment fee        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   (5,000) (5,000)  
Extinguishment of Predecessor stock based compensation        
Reorganization, Chapter 11 [Line Items]        
Retained earnings (accumulated deficit)   (4,418) (4,418)  
Reorganization Adjustments        
Reorganization, Chapter 11 [Line Items]        
Gain on settlement of liabilities subject to compromise     658,358  
Professional fees earned at Emergence     (18,047)  
Retained earnings (accumulated deficit)   $ 4,805,390 $ 4,805,390