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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME    
NET INCOME $ 8,660 $ 6,670
OTHER COMPREHENSIVE INCOME:    
Foreign currency translation adjustment 277 817
Total other comprehensive income 277 817
COMPREHENSIVE INCOME $ 8,937 $ 7,487