Consolidated Statements of Stockholders' Equity - Successor [Member] - USD ($) $ in Thousands	Total	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Common Stock Held in Treasury, at Cost [Member]	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2013	$ 978,422	$ 505,219	$ 11,661	$ 0	$ 450	$ 185,672	$ (19)	$ 275,439
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income	691,884	484,071	208,622	0	0	0	0	(809)
Stock-based compensation	3,450	0	0	0	0	3,450	0	0
Cost of shares acquired	(37)	0	0	0	0	0	(37)	0
Payments for Repurchase of Warrants	0
Warrants exercised	16	0	0	0	0	16	0	0
Ending balance at Dec. 31, 2014	1,673,735	989,290	220,283	0	450	189,138	(56)	274,630
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income	287,252	493,403	(205,068)	0	0	0	0	(1,083)
Stock-based compensation	3,105	0	0	0	0	3,105	0	0
Cost of shares acquired	(374)	(312)	0	0	0	0	(62)	0
Payments for Repurchase of Warrants	(5,375)	(3,942)	0	0	0	(1,433)	0	0
Warrants exercised	3	0	0	0	0	3	0	0
Ending balance at Dec. 31, 2015	1,958,346	1,478,439	15,215	0	450	190,813	(118)	273,547
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total comprehensive income	20,112	74,843	(54,205)	0	0	0	0	(526)
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	0	6,442						(6,442)
Stock-based compensation	5,253	0	0	0	0	5,253	0	0
Cost of shares acquired	(505)	(127)	0	0	0	0	(378)	0
Payments for Repurchase of Warrants	(2,717)	(1,916)	0	0	0	(801)	0	0
Stock Issued During Period, Value, New Issues	2				2
Noncontrolling Interest, Decrease from Deconsolidation	(2,469)							(2,469)
Warrants exercised	2	0	0	0	0	2	0	0
Ending balance at Dec. 31, 2016	$ 1,978,024	$ 1,557,681	$ (38,990)	$ 0	$ 452	$ 195,267	$ (496)	$ 264,110