CONCENTRATION OF RISK - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Concentration Risk [Line Items]
Revenues	$ 647,684	$ 576,429	$ 616,619
South Korea [Member]
Concentration Risk [Line Items]
Revenues	397,822	322,509	360,640
China [Member]
Concentration Risk [Line Items]
Revenues	229,439	229,727	230,582
Japan [Member]
Concentration Risk [Line Items]
Revenues	3,609	6,971	5,579
Other Non-U.S. Locations [Member]
Concentration Risk [Line Items]
Revenues	2,456	4,411	3,829
Total Non-U.S. Locations [Member]
Concentration Risk [Line Items]
Revenues	633,326	563,618	600,630
United States [Member]
Concentration Risk [Line Items]
Revenues	$ 14,358	$ 12,811	$ 15,989