Income Taxes Income Taxes - Provision for Income Taxes Charged To Income From Continuing Operations (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Apr. 30, 2013	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014
Successor [Member]
Provision for Income Taxes [Line Items]
Current Income Tax Expense (Benefit)		$ 6,984	$ 17,077	$ 9,463
Deferred Income Tax Expense (Benefit)		530	287	94
Income tax expense (benefit)		$ 7,514	$ 17,364	$ 9,557
Predecessor [Member]
Provision for Income Taxes [Line Items]
Current Income Tax Expense (Benefit)	$ 761
Deferred Income Tax Expense (Benefit)	(6)
Income tax expense (benefit)	$ 755