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Amount of regulatory, development, commercialization or sales milestone payments, receivable by the entity.

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Payment received from collaborative arrangement.

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Amount of expansion fee to per additional collaboration program.

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Represents the number of collaboration programs.

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Represents the number of expansion option programs (Dev Go option).

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Number of immuno oncology targets.

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Number of Potential development candidates.

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Amount of allocated determined transaction price under revenue recognition arrangement.

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Significant agreements - Genentech Collaboration Agreement (Details) $ in Thousands		1 Months Ended			12 Months Ended
	Feb. 21, 2020 USD ($) item	Jan. 31, 2025 USD ($)	Jun. 30, 2022 USD ($)	Oct. 31, 2021 USD ($)	Dec. 31, 2025 USD ($) item	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Significant agreements.
Collaboration revenue					$ 72,586	$ 35,275	$ 26,976
Deferred revenue					38,469	101,658	135,194
Genentech
Significant agreements.
Number of potential development candidates \| item	4
Collaboration revenue					14,681	14,840	11,969
Deferred revenue					$ 0	14,038	29,104
Number of immuno oncology targets \| item	2
Additional number of immuno oncology targets \| item	2
Expansion fee	$ 10,000
Transaction price	31,000								$ 33,000
Payment received	30,000
Genentech \| Specified Targeting Arm Material Right Arm Program One
Significant agreements.
Milestone payments, receivable	$ 1,000
Genentech \| Two material rights associated with the LSR Go Option for Collaboration Programs One And Two
Significant agreements.
Number of collaboration programs \| item					2
Number of expansion option collaboration programs \| item					2
Genentech \| Material rights associated with the LSR Go Option for Collaboration Program One
Significant agreements.
Revenue recognized					$ 6,500
Deferred revenue							$ 6,000
Genentech \| Collaboration Program 3 Performance Obligation
Significant agreements.
Collaboration revenue						$ 10,400
Expansion fee			$ 10,000	$ 10,000
Milestone payments, receivable				$ 1,000				$ 2,000
Genentech \| Material rights
Significant agreements.
Revenue recognized		$ 7,500