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License Agreements - MorphoSys (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 05, 2024	Feb. 05, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
License Agreements
Gain (loss) on equity investments			$ 8,558	$ (12,982)	$ 3,064	$ 126,206
Research and development			$ 506,584	$ 573,174	$ 1,438,780	2,140,814
MorphoSys AG
License Agreements
Gain (loss) on equity investments						$ 30,700
MorphoSys AG
License Agreements
Research and development		$ 10,700
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%

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