Income Taxes Schedule of Income Before Income Taxes (Details) - Successor [Member] - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Income Before Income Tax, Domestic and Foreign [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Domestic									$ (450,978)	$ 77,161	$ 337,753
Income (Loss) from Continuing Operations before Income Taxes, Foreign									166,727	27,865	172,305
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	$ (6,917)	$ (185,466)	$ 13,992	$ (105,860)	$ (86,059)	$ 116,720	$ 61,511	$ 12,854	$ (284,251)	$ 105,026	$ 510,058