Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 4,306	$ 10,846	$ 5,588	$ 18,068
Foreign currency translation adjustments (net of tax benefit (expense) of $(179), $1,486, $(109), $987)	1,721	(9,212)	(200)	(9,878)
Comprehensive income	$ 6,027	$ 1,634	$ 5,388	$ 8,190