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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Comprehensive Income [Abstract]      
Net income $ 106,579 $ 164,618 $ 153,206
Other comprehensive income:      
Currency translation adjustment (21,463) 16,148 (1,240)
Comprehensive income $ 85,116 $ 180,766 $ 151,966