Consolidated Statements of Stockholders' Equity - Successor [Member] - USD ($) $ in Thousands	Total	Retained Earnings/Accumulated Deficit [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, 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	372,200	497,406	(124,921)	0	0	0	0	(285)
Stock-based compensation	1,274	0	0	0	0	1,274	0	0
Warrants Purchased During Period Dollars	0
Proceeds from warrant exercises	2	0	0	0	0	2	0	0
Ending balance at Jun. 30, 2015	2,047,211	1,486,696	95,362	0	450	190,414	(56)	274,345
Beginning 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	103,330	68,062	35,560	0	0	0	0	(292)
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	0	6,442						(6,442)
Stock-based compensation	2,777	0	0	0	0	2,777	0	0
Stock Issued During Period, Value, Share-based Compensation, Gross	(9)	(127)	0	0	0	0	118	0
Warrants Purchased During Period Dollars	(1,610)	(1,092)				(518)
Stock Issued During Period, Value, New Issues	1				1
Proceeds from warrant exercises	2	0	0	0	0	2	0	0
Ending balance at Jun. 30, 2016	$ 2,062,837	$ 1,551,724	$ 50,775	$ 0	$ 451	$ 193,074	$ 0	$ 266,813