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CONCENTRATION OF RISK - Revenues by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Concentration Risk [Line Items]        
Total revenue $ 139,613 $ 161,627 $ 477,684 $ 485,391
South Korea [Member]        
Concentration Risk [Line Items]        
Total revenue 103,069 95,105 276,924 305,697
China [Member]        
Concentration Risk [Line Items]        
Total revenue 32,161 61,366 179,173 164,072
Japan [Member]        
Concentration Risk [Line Items]        
Total revenue 383 503 2,497 3,013
Other Non-U.S. Locations [Member]        
Concentration Risk [Line Items]        
Total revenue 223 975 1,211 2,913
Total Non-U.S. Locations [Member]        
Concentration Risk [Line Items]        
Total revenue 135,836 157,949 459,805 475,695
United States [Member]        
Concentration Risk [Line Items]        
Total revenue $ 3,777 $ 3,678 $ 17,879 $ 9,696