Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss)	$ 8,043	$ 21,158	$ (68,989)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of tax of $0 for the years ended in December 31, 2016, 2015 and 2014	(176)	(165)	(545)
Interest rate swap, net of tax of $0 for the years ended in December 31, 2016, 2015 and 2014	531	(753)	(1,112)
Total other comprehensive income (loss), net of tax	355	(918)	(1,657)
Total comprehensive income (loss)	$ 8,398	$ 20,240	$ (70,646)