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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Statement of Comprehensive Income [Abstract]    
Net income $ 1,571 $ 5,296
Other comprehensive income (loss):    
Change in foreign currency translation adjustment 63 (1,018)
Cash flow hedges:    
Change in net unrealized gains (losses) 1,214 (1,440)
Amounts reclassified into net income (85) 262
Net change 1,129 (1,178)
Other comprehensive income (loss), net 1,192 (2,196)
Total of comprehensive income $ 2,763 $ 3,100