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CUSTOMERS, GEOGRAPHIC AND SEGMENT INFORMATION (Schedule of Revenue by geographic areas) (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues $ 101,636 $ 85,988 $ 122,000
Latin America [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 35,463 30,185  
Asia and Asia Pacific [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 24,807 9,279  
United States [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 28,726 36,499  
Europe [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues $ 12,640 $ 10,025