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Predecessor Incentive Plan - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 23, 2016
Mar. 24, 2016
Mar. 18, 2015
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
May 22, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Reverse stock split, conversion ratio 570                
Number of shares exercisable by warrants (in shares) 2,066,627                
Warrants outstanding (in shares) 2,066,627                
Exercise price (in dollars per share) $ 55.25                
Warrants, fair value $ 8,400,000                
Predecessor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for issuance (in shares)                 11,350,000
Shares available for grant (in shares)             2,095,334    
Options granted during period (in shares)           0 0 0  
Share-based compensation expense           $ 17,700,000 $ 13,700,000 $ 14,700,000  
Tax benefit           0 4,800,000 5,300,000  
Unrecognized compensation related to non-vested share-based compensation arrangements           0      
Total fair value of share-based awards vested           2,500,000 5,400,000 20,600,000  
Excess tax benefit           0 0 0  
Tax benefit in the event of a net operating gain           0 11,000 4,500,000  
Vesting periods       3 years 3 years        
Cash received from option exercises           0 $ 727,000 4,646,000  
Reverse stock split, conversion ratio 570                
Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for issuance (in shares) 3,237,671                
Shares available for grant (in shares)             2,428,255    
Share-based compensation expense           10,100,000      
Tax benefit             $ 0    
Unrecognized compensation related to non-vested share-based compensation arrangements           19,500,000      
Total fair value of share-based awards vested           9,900,000      
Excess tax benefit           $ 0      
Stock options granted (in shares) 323,770                
Weighted-average recognition period           2 years      
Stock options | Predecessor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Options expiration period           10 years      
Total intrinsic value of options exercised           $ 0 37,000 2,200,000  
Cash received from option exercises             $ 724,000 4,300,000  
Tax benefit due to net operating loss               0  
Tax benefit in the event of a net operating gain               $ 535,000  
Stock options | Predecessor | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting periods           3 years      
Stock options | Predecessor | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting periods           5 years      
Stock options | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for issuance (in shares) 323,770                
Options expiration period           10 years      
Vesting periods           3 years      
Total intrinsic value of options exercised           $ 0      
Phantom Stock Awards | Predecessor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting periods           3 years 3 years    
Performance calculation period   1 year 1 year            
Target number of shares to be issued (in shares)   705,263 704,089            
Percentage of target number of performance-based awards will be earned             66.70%    
Unamortized expense           $ 314,000      
Shares issued (in shares)           552,100 654,500    
Phantom Stock Awards | Predecessor | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Percentage of target number of shares to be issued   0.00% 0.00%            
Phantom Stock Awards | Predecessor | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Percentage of target number of shares to be issued   150.00% 150.00%            
Restricted Stock Units | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares available for issuance (in shares) 809,416                
Shares issued (in shares) 809,416                
Common Stock | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares issued, share-based compensation (in shares) 269,810                
Share-based Compensation Award, Tranche One | Phantom Stock Awards | Predecessor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage     33.33%            
Share-based Compensation Award, Tranche One | Restricted Stock Units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage 33.33%                
Share-based Compensation Award, Tranche One | Restricted Stock Units And Employee Stock Options | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage     33.33%            
Share-based Compensation Award, Tranche Two | Phantom Stock Awards | Predecessor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage     33.33%            
Share-based Compensation Award, Tranche Two | Restricted Stock Units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage 66.67%                
Share-based Compensation Award, Tranche Two | Restricted Stock Units | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting periods 2 years                
Share-based Compensation Award, Tranche Two | Restricted Stock Units And Employee Stock Options | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage     33.33%            
Share-based Compensation Award, Tranche Three | Phantom Stock Awards | Predecessor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage     33.33%            
Share-based Compensation Award, Tranche Three | Restricted Stock Units And Employee Stock Options | Successor                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Awards vesting percentage     33.33%