Organization - Additional Information (Details) - USD ($) shares in Thousands	1 Months Ended			12 Months Ended
	Feb. 29, 2024	Oct. 31, 2023	Feb. 28, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Aug. 31, 2022
Description Of Organization [Line Items]
Stock-based compensation expense				$ 35,533,000	$ 38,337,000	$ 22,362,000
Net proceeds from issuance of common stock				4,626,000	4,312,000	5,346,000
Proceeds from public offering of common stock, net of offering costs						$ 626,405,000
Percentage of workforce reduction		29.00%
Cash-based expenses related to employee severance, benefits and related costs				5,200,000
Accumulated deficit				1,338,091,000	1,054,836,000
Cash, cash equivalents and marketable securities				205,200,000
Success payment liabilities				10,300,000
Contingent consideration				58,300,000
At The Market Offering
Description Of Organization [Line Items]
Net proceeds from issuance of common stock				$ 27,020,000	$ 601,000
At The Market Offering | Common Stock
Description Of Organization [Line Items]
Aggregate common stock sold				4,586	149
IPO | Common Stock
Description Of Organization [Line Items]
Aggregate common stock sold			27,000			27,025
Proceeds from public offering of common stock, net of offering costs			$ 626,400,000
Underwritten Public Offering [Member] | Subsequent Event
Description Of Organization [Line Items]
Net proceeds from issuance of common stock	$ 179,900,000
Underwritten Public Offering [Member] | Pre-Funded Warrants | Subsequent Event
Description Of Organization [Line Items]
Number of warrants to purchase common stock	12,700
Underwritten Public Offering [Member] | Common Stock | Subsequent Event
Description Of Organization [Line Items]
Aggregate common stock sold	21,800
Underwritten Public Offering | Subsequent Event
Description Of Organization [Line Items]
Net proceeds from issuance of common stock	$ 179,900,000
Underwritten Public Offering | Pre-Funded Warrants | Subsequent Event
Description Of Organization [Line Items]
Number of warrants to purchase common stock	12,700
Underwritten Public Offering | Common Stock
Description Of Organization [Line Items]
Aggregate common stock sold			3,500
Underwritten Public Offering | Common Stock | Subsequent Event
Description Of Organization [Line Items]
Aggregate common stock sold	4,500
Underwriters' Option To Purchase Additional Shares | Common Stock | Subsequent Event
Description Of Organization [Line Items]
Aggregate common stock sold	4,500
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				$ 27,600,000
Aggregate common stock sold				4,700