Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current
U.S. federal	$ (624)	$ 27,521	$ 27,338
State	226	1,353	1,462
Foreign	(308)	0	(261)
Total Current	(706)	28,874	28,539
Deferred
U.S. federal	3,702	(7,260)	22,649
State	107	(357)	1,211
Foreign	2,360	1,633	(2,119)
Total Deferred	6,169	(5,984)	21,741
Changes in valuation allowance	(4,604)	(13,289)	(14,595)
Total	$ 859	$ 9,601	$ 35,685