Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - Successor [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Provision for Income Taxes [Line Items]
Current Federal Tax Expense (Benefit)	$ (617)	$ 2,635	$ 0	$ 2,711
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(211,769)	45,238	(428,264)	171,137
Current Income Tax Expense (Benefit)	5,439	15,282	31,902	21,991
Deferred Income Tax Expense (Benefit)	0	0	0	(114)
Income Tax Expense (Benefit)	5,439	15,282	31,902	21,877
Income (Loss) from Continuing Operations before Income Taxes, Foreign	26,303	71,482	150,930	19,948
Pre-tax income (loss)	(185,466)	116,720	(277,334)	191,085
Current State and Local Tax Expense (Benefit)	0	191	0	428
Current Foreign Tax Expense (Benefit)	$ 6,056	$ 12,456	$ 31,902	$ 18,852