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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - 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 $ 34,761 $ 33,325 $ 110,464 $ 105,131
Other comprehensive income:        
Currency translation adjustment (9,584) 16,698 (399) 13,907
Comprehensive income $ 25,177 $ 50,023 $ 110,065 $ 119,038