Interest Expense (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended
	Aug. 14, 2015	Sep. 30, 2015	Sep. 30, 2014	Aug. 14, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Interest incurred on debt	$ 2,520	$ 2,928	$ 5,448	$ 12,973		$ 16,162
Amortization of Debt Discount (Premium)	5,560	0	3,100	12,027		9,145
Amortization of discount on Senior Subordinated Notes				4,500
Accretion on Senior Notes	0	773	0	0		0
Amortization of debt issuance costs	922	0	521	2,118		1,916
Total interest expense	$ 9,002	$ 3,701	$ 9,069	$ 27,118		$ 27,223
Effective interest rate, revolving credit facility					2.45%	2.17%
Senior Subordinated Notes implied rate					7.00%
Stated interest rate							6.375%