Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Quarterly Financial Information [Line Items]
Total revenues	$ 235,266	$ 233,460	$ 213,296	$ 182,019					$ 864,041
Segment profits	58,896	61,932	46,858	29,905					197,591
Net loss	$ (20,262)	$ (13,845)	$ (23,941)	$ (38,626)					$ (96,674)
Loss per share of common stock:
Basic (in dollars per share)	$ (0.78)	$ (0.53)	$ (0.92)	$ (1.49)					$ (3.72)
Diluted (in dollars per share)	$ (0.78)	$ (0.53)	$ (0.92)	$ (1.49)					$ (3.72)
Weighted average common shares outstanding:
Basic (in shares)	26,049,000	26,001,000	26,011,000	25,999,000					26,005,870
Diluted (in shares)	26,049,000	26,001,000	26,011,000	25,999,000					26,005,870		40,505,429
Reorganization costs									$ 0
Goodwill impairment									$ 0
Predecessor
Quarterly Financial Information [Line Items]
Total revenues					$ 155,527	$ 141,610	$ 120,004	$ 130,356		$ 547,497	$ 805,599
Segment profits					20,828	25,339	15,310	18,370		79,847	162,743
Net loss					$ 141,946	$ (92,097)	$ (89,883)	$ (83,339)		$ (123,373)	$ (241,745)
Loss per share of common stock:
Basic (in dollars per share)					$ 3.32	$ (2.16)	$ (2.11)	$ (2.00)		$ (2.94)	$ (5.97)
Diluted (in dollars per share)					$ 3.32	$ (2.16)	$ (2.11)	$ (2.00)		$ (2.94)	$ (5.97)
Weighted average common shares outstanding:
Basic (in shares)					42,691,000	42,690,000	42,602,000	41,609,000		41,998,669	40,505,429
Diluted (in shares)					42,691,000	42,690,000	42,602,000	41,609,000		41,998,669
Reorganization costs					$ 10,200	$ 10,500				$ (264,306)	$ 0
Goodwill impairment						$ 600				$ 646	$ 81,877