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INTANGIBLE ASSETS, NET (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
INTANGIBLE ASSETS, NET      
Gross Carrying Amount $ 40,636 $ 42,628  
Accumulated Amortization (21,644) (20,199)  
Total intangible assets, net 18,992 22,429  
Amortization expense 4,601 5,122 $ 5,310
Expected amortization expense of intangible assets      
2022 4,409    
2023 3,228    
2024 2,691    
2025 2,198    
2026 2,052    
2026 and thereafter 4,414    
Technical know-how      
INTANGIBLE ASSETS, NET      
Gross Carrying Amount 1,577 1,543  
Accumulated Amortization (1,562) (1,525)  
Total intangible assets, net 15 18  
Computer software      
INTANGIBLE ASSETS, NET      
Gross Carrying Amount 39,059 41,085  
Accumulated Amortization (20,082) (18,674)  
Total intangible assets, net $ 18,977 $ 22,411