CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement Of Other Comprehensive Income [Abstract]
NET INCOME	$ 33,746	$ 23,016	$ 19,922
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation adjustment	(965)	3,374	(1,566)
Total other comprehensive income (loss)	(965)	3,374	(1,566)
COMPREHENSIVE INCOME	$ 32,781	$ 26,390	$ 18,356