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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Statement of Comprehensive Income [Abstract]        
Net income $ 14,276 $ 10,021 $ 18,309 $ 10,996
Other comprehensive income:        
Foreign currency translation adjustment 91 76 236 76
Comprehensive income $ 14,367 $ 10,097 $ 18,545 $ 11,072