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Share Based Compensation - Share-based Compensation Expense (Details) - Successor - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | $ 6,581 | $ 24,276 | $ 17,912
Performance units | 1,265 | 4,774 | 2,574
Total share and incentive-based compensation expense | 7,846 | 29,050 | 20,486
Less: Capitalized compensation expense | (407) | (1,037) | (2,521)
Share and incentive-based compensation expense, net | 7,439 | 28,013 | 17,965
Recurring Compensation Expense |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 2,296 | 5,354 | 16,087
Performance units | 528 | 756 | 2,574
Total share and incentive-based compensation expense | 2,824 | 6,110 | 18,661
Less: Capitalized compensation expense | (407) | (482) | (2,521)
Share and incentive-based compensation expense, net | 2,417 | 5,628 | 16,140
Executive Terminations |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 0 | 9,196 | 1,825
Performance units | 0 | 2,151 | 0
Total share and incentive-based compensation expense | 0 | 11,347 | 1,825
Less: Capitalized compensation expense | 0 | 0 | 0
Share and incentive-based compensation expense, net | 0 | 11,347 | 1,825
Reduction in Force |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 4,285 | 3,935 | 0
Performance units | 737 | 558 | 0
Total share and incentive-based compensation expense | 5,022 | 4,493 | 0
Less: Capitalized compensation expense | 0 | 0 | 0
Share and incentive-based compensation expense, net | 5,022 | 4,493 | 0
Accelerated Vesting |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 0 | 5,791 | 0
Performance units | 0 | 1,309 | 0
Total share and incentive-based compensation expense | 0 | 7,100 | 0
Less: Capitalized compensation expense | 0 | (555) | 0
Share and incentive-based compensation expense, net | 0 | 6,545 | 0
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 6,581 | 21,833 | 16,556
Restricted Stock | Recurring Compensation Expense |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 2,296 | 4,735 | 14,731
Restricted Stock | Executive Terminations |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 0 | 8,140 | 1,825
Restricted Stock | Reduction in Force |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | 4,285 | 3,777 | 0
Restricted Stock | Accelerated Vesting |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense | $ 0 | 5,181 | 0
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense |  | 2,443 | 1,356
Performance Shares | Recurring Compensation Expense |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense |  | 619 | 1,356
Performance Shares | Executive Terminations |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense |  | 1,056 | 0
Performance Shares | Reduction in Force |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense |  | 158 | 0
Performance Shares | Accelerated Vesting |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |
Total share-based compensation expense |  | $ 610 | $ 0

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