CONCENTRATION OF RISK (Tables)

12 Months Ended

Dec. 31, 2024

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, 2024, 2023 and 2022 were as follows (in thousands):

	2024			2023			2022
Customer	% of Total Revenue	Accounts Receivable		% of Total Revenue	Accounts Receivable		% of Total Revenue	Accounts Receivable
A	43%	$	37,899	36%	$	38,105	41%	$	11,425
B	23%		25,751	23%		30,142	25%		24,440
C	16%		13,258	17%		38,529	16%		22,291

Revenues by Geographic Area

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

	Year Ended December 31,
Country	2024		2023		2022
South Korea	$	397,822	$	322,509	$	360,640
China		229,439		229,727		230,582
Japan		3,609		6,971		5,579
Other non-U.S. locations		2,456		4,411		3,829
Total non-U.S. locations		633,326		563,618		600,630
United States		14,358		12,811		15,989
Total revenue	$	647,684	$	576,429	$	616,619

Long-Lived Assets (Net) by Geographic Area

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

	December 31,
Country	2024		2023
United States	$	117,496	$	118,250
Ireland		63,346		42,203
Other		14,397		14,697
Total long-lived assets	$	195,239	$	175,150