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Collaboration and License Agreements - Amgen, Inc - Additional Information (Details) - USD ($) $ in Thousands			1 Months Ended	6 Months Ended
	Mar. 19, 2026	Sep. 29, 2017	May 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Common stock, value of shares issued in connection with agreement	$ 234,200		$ 93,400	$ 228,407	$ 93,373
Collaboration and License Agreement \| Amgen Inc
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Upfront payment received		$ 40,000
Common stock, value of shares issued in connection with agreement		20,000
Collaboration and License Agreement \| Amgen Inc \| Maximum
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Contingent payments payable		$ 203,000