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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Net income $ 7,306 $ 6,521
Other comprehensive income (loss):    
Foreign currency translation adjustment (414) 118
Other comprehensive income (loss) (414) 118
Comprehensive income $ 6,892 $ 6,639