CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement Of Other Comprehensive Income [Abstract]
NET INCOME	$ 7,600	$ 5,425	$ 14,270	$ 9,264
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation adjustment	(1,332)	1,809	(515)	1,698
Total other comprehensive income (loss)	(1,332)	1,809	(515)	1,698
COMPREHENSIVE INCOME	$ 6,268	$ 7,234	$ 13,755	$ 10,962