Summary of Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)
Summary of Significant Accounting Policies
Deferred offering costs	$ 0	$ 1,388
Number of reportable segment \| segment	1
Realized and unrealized foreign currency transaction losses	$ 200	100
Acquired IPR&D expense		10,000
Unrecognized tax benefits	$ 0	0
Minimum
Summary of Significant Accounting Policies
Estimated useful lives	3 years
Maximum
Summary of Significant Accounting Policies
Estimated useful lives	7 years
2021 Xencor Agreement
Summary of Significant Accounting Policies
Acquired IPR&D expense		$ 10,000

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