INCOME TAXES - Schedule of Reconciliation of Statutory Federal Income Tax Benefit to Effective Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Federal statutory income tax rate	$ 113,770	$ 39,598	$ 31,412
State and local taxes	4,756	(3,614)	(1,017)
Orphan Drug & General Business Credit	(35,486)	(39,535)	(35,674)
Stock compensation expense	7,467	2,209	6,433
Foreign Source Income Subject to US Tax	44,492	47,721	(5,644)
Foreign tax rate differential	(34,905)	(69,987)	(4,051)
Section 162(m) limitation	9,278	9,699	6,577
Tax Reserves	32,560	27,296	18,043
Intra-entity transfer of assets	(33,432)	5,019	(18,752)
Valuation allowance/deferred benefit	7,175	3,723	7,851
Other	(771)	(1,211)	2,837
Provision for income taxes	$ 114,904	$ 20,918	$ 8,015