Net Earnings (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Denominator:
Denominator for diluted earnings per share (in shares)											41,165,940
Predecessor
Numerator (both basic and diluted):
Net loss available to common stockholders									$ (123,373)	$ (241,745)	$ (8,341)
Denominator:
Denominator for basic earnings per share (in shares)	42,691,000	42,690,000	42,602,000	41,609,000	40,148,000	40,168,000	40,168,000	40,072,000	41,998,669	40,505,429	41,165,940
Denominator for diluted earnings per share (in shares)	42,691,000	42,690,000	42,602,000	41,609,000	40,148,000	40,168,000	40,168,000	40,072,000	41,998,669	40,505,429
Basic loss per common share (in dollars per share)	$ 3.32	$ (2.16)	$ (2.11)	$ (2.00)	$ (1.37)	$ (2.63)	$ (1.20)	$ (0.81)	$ (2.94)	$ (5.97)	$ (0.20)
Diluted loss per common share (in dollars per share)	$ 3.32	$ (2.16)	$ (2.11)	$ (2.00)	$ (1.37)	$ (2.63)	$ (1.20)	$ (0.81)	$ (2.94)	$ (5.97)	$ (0.20)