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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Statement of Comprehensive Income [Abstract]        
Net income $ 10,926 $ 12,125 $ 29,235 $ 23,121
Other comprehensive income:        
Foreign currency translation adjustment (46) (130) 190 (54)
Comprehensive income $ 10,880 $ 11,995 $ 29,425 $ 23,067