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CONCENTRATION OF RISK (Tables)

12 Months Ended

Dec. 31, 2025

Risks and Uncertainties [Abstract]

Revenues and Accounts Receivable From Our Largest Customers

Revenues and accounts receivable from the Company's largest customers for the years ended December 31, 2025, 2024 and 2023 were as follows (in thousands):

		2025						2024						2023
Customer		% of Total Revenue		Accounts Receivable				% of Total Revenue		Accounts Receivable				% of Total Revenue		Accounts Receivable
A		43%		$	69,564			43%		$	37,899			36%		$	38,105
B		21%			30,378			23%			25,751			23%			30,142
C		15%			3,539			16%			13,258			17%			38,529

Revenues by Geographic Area

Revenues by geographic area are as follows (in thousands):

		Year Ended December 31,
Country		2025				2024				2023
South Korea		$	383,500			$	397,822			$	322,509
China			238,208				229,439				229,727
Japan			2,818				3,609				6,971
Other non-U.S. locations			1,657				2,456				4,411
Total non-U.S. locations			626,183				633,326				563,618
United States			24,428				14,358				12,811
Total revenue		$	650,611			$	647,684			$	576,429

Long-Lived Assets (Net) by Geographic Area

Property and equipment, net by geographic area are as follows (in thousands):

		December 31,
Country		2025				2024
United States		$	120,835			$	117,496
Ireland			73,838				63,346
Other			20,274				14,397
Total long-lived assets		$	214,947			$	195,239

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Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

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Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

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