Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (13,276)	$ (5,506)	$ (16,621)	$ 8,302
Other comprehensive income, net of tax:
Foreign currency translation adjustments, net of tax of $0, for each of the three and nine months ended September 30, 2017 and 2016	(77)	21	96	52
Interest rate swap, net of tax of $0, for each of the three and nine months ended September 30, 2017 and 2016	249	397	998	(39)
Total other comprehensive income, net of tax	172	418	1,094	13
Total comprehensive (loss) income	$ (13,104)	$ (5,088)	$ (15,527)	$ 8,315