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Financial Royalty Assets, net (formerly known as Commercial License Rights) - Schedule of Financial Royalty Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Aug. 31, 2024	May 29, 2024	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets
Gross carrying value	$ 210,298				$ 70,364
Allowance	(4,431)				(8,073)
Net carrying value	205,867				62,291
Financial royalty liability current	6,600
Apeiron
Finite-Lived Intangible Assets
Gross carrying value	113,371				0
Allowance	(735)				0
Net carrying value	112,636				0
Agenus (Bot/Bal)
Finite-Lived Intangible Assets
Gross carrying value	40,815				0
Allowance	(408)				0
Net carrying value	40,407		$ 75,000		0
Elutia (CorMatrix)
Finite-Lived Intangible Assets
Gross carrying value	10,032				13,304
Allowance	(2,607)				(7,490)
Net carrying value	7,425				5,814
Selexis
Finite-Lived Intangible Assets
Gross carrying value	242				940
Allowance	(58)				(179)
Net carrying value	184				761
Ovid (Soticlestat)
Finite-Lived Intangible Assets
Gross carrying value	4,122				30,310
Allowance	(41)				(303)
Net carrying value	4,081				30,007
Tolerance Therapeutics (TZIELD)
Finite-Lived Intangible Assets
Gross carrying value	25,698				25,810
Allowance	(101)				(101)
Net carrying value	25,597				25,709
Ensifentrine inventors
Finite-Lived Intangible Assets
Gross carrying value	16,018	$ 13,600		$ 3,800	0
Allowance	(481)				0
Net carrying value	$ 15,537				$ 0

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