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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statement of Comprehensive Income [Abstract]      
Net income $ 23,046 $ 15,560 $ 11,429
Other comprehensive income (loss):      
Change in foreign currency translation adjustment (1,150) 118 861
Cash flow hedges:      
Change in net unrealized gains (losses) (2,260) 2,331 168
Amounts reclassified from AOCI 1,373 (1,772) (261)
Net change (887) 559 (93)
Other comprehensive income (loss), net (2,037) 677 768
Total of comprehensive income $ 21,009 $ 16,237 $ 12,197