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Organization - Additional Information (Details) - USD ($)	1 Months Ended			3 Months Ended
	Mar. 31, 2026	Aug. 31, 2025	Feb. 29, 2024	Mar. 31, 2026	Dec. 31, 2025
Description Of Organization [Line Items]
Accumulated deficit	$ 1,896,226,000			$ 1,896,226,000	$ 1,849,016,000
Cash, cash equivalents and marketable securities	101,100,000			101,100,000
Success payment liabilities	14,500,000			14,500,000
Contingent consideration	83,200,000			$ 83,200,000
Over Allotment Option
Description Of Organization [Line Items]
Net proceeds from issuance of common stock		$ 80,600,000	$ 180,000,000
Number of warrants to purchase common stock		1,500,000	12,700,000
Common Stock \| Underwritten Public Offering
Description Of Organization [Line Items]
Aggregate common stock sold		24,300,000	21,800,000
Common Stock \| Underwriters' Option To Purchase Additional Shares
Description Of Organization [Line Items]
Aggregate common stock sold		3,400,000	4,500,000
Cowen \| ATM facility
Description Of Organization [Line Items]
Aggregate common stock sold				0
Cowen \| ATM facility \| Sales Agreement \| Maximum
Description Of Organization [Line Items]
Aggregate common stock value sold	$ 150,000,000