Organization - Additional Information (Details) - USD ($) shares in Thousands	1 Months Ended	3 Months Ended
	Feb. 29, 2024	Mar. 31, 2024	Dec. 31, 2023	Aug. 31, 2022
Description Of Organization [Line Items]
Accumulated deficit		$ 1,445,566,000	$ 1,338,091,000
Cash, cash equivalents and marketable securities		311,100,000
Success payment liabilities		43,000,000
Contingent consideration		63,700,000
Over Allotment Option
Description Of Organization [Line Items]
Number of warrants to purchase common stock	12,700
Net proceeds from issuance of common stock	$ 180,000,000	$ 180,000,000
Common Stock
Description Of Organization [Line Items]
Aggregate common stock sold		21,773
Common Stock | At The Market Offering
Description Of Organization [Line Items]
Aggregate common stock sold		150
Common Stock | Underwritten Public Offering
Description Of Organization [Line Items]
Aggregate common stock sold	21,800
Common Stock | Underwriters' Option To Purchase Additional Shares
Description Of Organization [Line Items]
Aggregate common stock sold	4,500
Pre Funded Warrants [Member] | Over Allotment Option
Description Of Organization [Line Items]
Number of warrants to purchase common stock	12,700
Cowen | At The Market Offering
Description Of Organization [Line Items]
Common stock maximum aggregate offering price				$ 150,000,000
Net proceeds from issuance of common stock		$ 28,700,000
Aggregate common stock sold		4,900