Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2,184	$ (8,575)
Other comprehensive (loss) income:
Unrealized gain on available-for-sale securities, net of income tax expense of $0 and $5	0	15
Loss on derivative securities, effective portion, net of income tax benefit of $0 and $33	0	(100)
Foreign currency translation, net of income tax benefit of $32 and $55	(375)	128
Net other comprehensive income (loss) during period	(375)	43
Comprehensive income (loss)	$ 1,809	$ (8,532)