v3.25.4

Collaborative and Other Relationships - Merus (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2016 program	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
License agreements
Gain on equity investments		$ 21,310	$ 116,025	$ 43,893
Merus
License agreements
Gain on equity investments			$ 106,100	$ 45,200
Merus
License agreements
Number of independent programs | program	10

X

- Definition

Represents the maximum number of independent programs encompassed under the collaboration agreement.

+ References

No definition available.

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
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-Section S99
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-Paragraph 4
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
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-Topic 850
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
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-Section S99
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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