Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - Successor [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Provision for Income Taxes [Line Items]
Current Income Tax Expense (Benefit)	$ 13,045	$ 30,729	$ 17,077
Current Federal Tax Expense (Benefit)	(29,581)	3,934	16,893
Current State and Local Tax Expense (Benefit)	2,013	707	182
Current Foreign Tax Expense (Benefit)	40,613	26,088	2
Deferred Income Tax Expense (Benefit)	31,419	(20)	287
Income tax expense (benefit)	$ 44,464	$ 30,709	$ 17,364