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In-Licensing Arrangement	6 Months Ended
In-Licensing Arrangement	Jun. 30, 2025
Commitments and Contingencies Disclosure [Abstract]
In-licensing arrangement	Commitments and Contingencies In-licensing Arrangement In January 2022, the Company entered into a non-exclusive license agreement with Synaffix B.V., a Lonza company, (Synaffix) to develop, manufacture and commercialize up to three antibody-drug conjugate targets using Synaffix’s proprietary technology. The Company made an upfront payment to Synaffix upon contract execution. In March 2023, the Company and Synaffix amended the agreement, adding four additional targets. Assuming all seven targets are successfully developed and commercialized, the Company would be obligated to pay up to $2.8 billion for development, regulatory and sales milestones. Finally, pursuant to the terms of this license agreement, as amended, upon commencement of commercial sales of any products developed from these targets, the Company would be required to pay Synaffix tiered royalties in the low‑single digit percentages on net sales of the respective products. The Company may terminate this agreement at any time with 30 days’ notice to Synaffix. Amounts paid to Synaffix under this agreement are recorded as research and development expense in the consolidated statement of operations. During the three months ended June 30, 2025 and 2024, the Company recorded expense of $1.2 million and $1.0 million, respectively, under this agreement. During the six months ended June 30, 2025 and 2024, the Company recorded expense of $2.4 million and $3.4 million, respectively, under this agreement. Contractual Commitments The Company has certain contractual commitments under manufacturing-related supplier arrangements as of June 30, 2025 totaling $4.8 million that expire through January 2026.