Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (3,177)	$ 4,256	$ (9,082)	$ 7,496
Other comprehensive income (loss):
Foreign currency translation adjustments	1	(460)	2	(469)
Reclassification adjustment for foreign currency translation adjustments	0	460	0	469
Comprehensive (loss) income	$ (3,176)	$ 4,256	$ (9,080)	$ 7,496