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Redeemable Convertible Preferred Stock and Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		3 Months Ended
	Jan. 26, 2023	Jan. 31, 2023	Dec. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Class of Stock [Line Items]
Proceeds from issuance of private placement					$ 10,000
Common stock voting rights				one vote
Gilead Common Stock Purchase Agreement
Class of Stock [Line Items]
Shares issued, price per share		$ 28.75
Kite Collaboration Agreement
Class of Stock [Line Items]
Shares issued, price per share	$ 4.39
Discount on shares sold	$ 15,300		$ 15,300
Common Stock
Class of Stock [Line Items]
Dividends declared or paid				$ 0
IPO | Redeemable Convertible Preferred Stock
Class of Stock [Line Items]
Shares issued upon conversion of preferred stock				24,785,564
Private Placement | Gilead Common Stock Purchase Agreement
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction	3,478,261
Sale of stock, price per share	$ 28.75
Proceeds from issuance of private placement	$ 100,000	$ 100,000

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