Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - Successor [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Provision for Income Taxes [Line Items]
Current Federal Tax Expense (Benefit)	$ 0	$ 0
Income (Loss) from Continuing Operations before Income Taxes, Domestic	297,741	(191,872)
Current Income Tax Expense (Benefit)	998	19,581
Deferred Income Tax Expense (Benefit)	1,607	0
Income Tax Expense (Benefit)	2,605	19,581
Income (Loss) from Continuing Operations before Income Taxes, Foreign	10,568	86,012
Pre-tax income (loss)	308,309	(105,860)
Current State and Local Tax Expense (Benefit)	1,037	320
Current Foreign Tax Expense (Benefit)	$ (39)	$ 19,261