CAPITALIZED FEES PAID (Tables)

12 Months Ended

Dec. 31, 2023

Capitalized Contract Cost [Abstract]

Schedule of Capitalized Fees Paid

Capitalized fees paid, which consist of registrational and launch-related milestone fees paid to GSK, were as follows:

		December 31,
(In thousands)	Amortization period	2023			2022
United States	2013-2030	$	120,000		$	120,000
Europe	2013-2029		60,000			60,000
Japan	2013-2029		40,000			40,000
Gross carrying value			220,000			220,000
Accumulated amortization			(136,216	)		(122,393	)
Net carrying value		$	83,784		$	97,607