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License Agreements - MorphoSys (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 05, 2024 USD ($)	Mar. 31, 2024 USD ($) shares	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
License Agreements
Long term investments		$ 287,663		$ 187,716	[1]
Unrealized gain (loss) on long term investments		99,947	$ (5,318)
(Profit) and loss sharing under collaboration agreements		(1,025)	(1,362)
Research and development		$ 429,260	406,641
MorphoSys AG
License Agreements
Common stock held from investment (in shares) | shares		3,600,000
ADSs
License Agreements
Share conversion		0.25
MorphoSys AG
License Agreements
Long term investments		$ 65,800		35,900
Unrealized gain (loss) on long term investments		29,900	$ 1,400
Profit (loss) sharing ratio	50.00%		50.00%
Research and development	$ 10,700		$ 25,200
Accrued and other liabilities		$ 3,500		$ 18,800
MorphoSys AG | Tafasitamab Product and Service | UNITED STATES
License Agreements
(Profit) and loss sharing under collaboration agreements	$ (1,000)		$ (1,400)
MorphoSys AG | MorphoSys AG
License Agreements
Funding of future development costs (as a percent)		45.00%
MorphoSys AG | Incyte
License Agreements
Funding of future development costs (as a percent)	55.00%		55.00%
[1] The condensed consolidated balance sheet at December 31, 2023 has been derived from the audited consolidated financial statements at that date.

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