Summary of Significant Accounting Policies - Segment Information - Other Program (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Information
Total R&D Expense	$ 245,074	$ 163,550	$ 118,011
Single reportable segment
Segment Information
Personnel	57,204	51,906	40,121
Laboratory Supplies	5,997	5,611	5,358
Facility	5,301	5,094	4,970
Product Development	161,096	90,604	59,319
Other Expenses	15,476	10,335	8,243
Total R&D Expense	$ 245,074	$ 163,550	$ 118,011