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CONCENTRATION OF RISK - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Concentration Risk [Line Items]
Total revenue	$ 142,211	$ 166,277
South Korea [Member]
Concentration Risk [Line Items]
Total revenue	93,169	87,333
China [Member]
Concentration Risk [Line Items]
Total revenue	43,644	71,092
Japan [Member]
Concentration Risk [Line Items]
Total revenue	371	413
Other Non-U.S. Locations [Member]
Concentration Risk [Line Items]
Total revenue	293	454
Total Non-U.S. Locations [Member]
Concentration Risk [Line Items]
Total revenue	137,477	159,292
United States [Member]
Concentration Risk [Line Items]
Total revenue	$ 4,734	$ 6,985

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