Income Taxes - Income Tax Benefit (Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current (expense) benefit:
State	$ (32)	$ (58)	$ (276)
International	(23)	(99)	(69)
Deferred (expense) benefit:
Federal		14,028	(2,136)
State		831	(398)
International		11	23
Total income tax benefit (expense) from continuing operations	$ (55)	$ 14,713	$ (2,856)