Earnings Per Share - Summary of Shares Excluded From Diluted Earnings Per Share Calculation (Details) - shares
shares in Thousands |
3 Months Ended |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Out-of-the-money stock options |
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
| Anti-diluted shares excluded from computation of earnings per share (in shares) |
|
818
|
819
|
| Out-of-the-money stock options | Predecessor |
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
| Anti-diluted shares excluded from computation of earnings per share (in shares) |
2,645
|
|
|
| Weighted average shares of Class C Common Stock |
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
| Anti-diluted shares excluded from computation of earnings per share (in shares) |
|
12,791
|
18,629
|
| Weighted average shares of Class C Common Stock | Predecessor |
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
| Anti-diluted shares excluded from computation of earnings per share (in shares) |
19,156
|
|
|
| Performance stock units |
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
| Anti-diluted shares excluded from computation of earnings per share (in shares) |
|
39
|
0
|
| Performance stock units | Predecessor |
|
|
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |
|
|
|
| Anti-diluted shares excluded from computation of earnings per share (in shares) |
0
|
|
|