CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement Of Other Comprehensive Income [Abstract]
NET INCOME	$ 6,670	$ 3,839
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation adjustment	817	(111)
Total other comprehensive income (loss)	817	(111)
COMPREHENSIVE INCOME	$ 7,487	$ 3,728