Equity Based Compensation - Restricted Stock (Details) - Successor - Restricted stock awards $ / shares in Units, $ in Millions |
3 Months Ended |
|
Dec. 31, 2016
USD ($)
$ / shares
shares
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
|
| Outstanding, beginning of period (in shares) | shares |
0
|
| Vested (in shares) | shares |
0
|
| Granted (in shares) | shares |
256,597
|
| Canceled (in shares) | shares |
0
|
| Outstanding, end of period (in shares) | shares |
256,597
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
|
| Outstanding, beginning of period (in dollars per share) | $ / shares |
$ 0.00
|
| Vested (in dollars per share) | $ / shares |
0.00
|
| Granted (in dollars per share) | $ / shares |
20.03
|
| Canceled (in dollar per share) | $ / shares |
0.00
|
| Outstanding, end of period (in dollars per share) | $ / shares |
$ 20.03
|
| Unrecognized compensation costs | $ |
$ 4.7
|
| Unrecognized compensation costs, period for recognition |
2 years 6 months 22 days
|