Collaboration and License Agreement (Details) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 06, 2024 shares	Mar. 31, 2023 USD ($) item product $ / shares shares	Sep. 30, 2024 USD ($) $ / shares	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2024 USD ($) $ / shares	Sep. 30, 2023 USD ($) $ / shares	Apr. 30, 2023 USD ($)
Collaboration and License Agreement
Sale of common stock in connection with the Moderna Share Purchase Agreement, shares | shares	0
Collaboration revenue			$ 7,554	$ 2,146	$ 15,704	$ 3,026
Deferred revenue					$ (12,154)	$ 44,474
Net loss per share, basic (in dollars per share) | $ / shares			$ (0.23)	$ (0.43)	$ (1.66)	$ (1.43)
Net loss per share, diluted (in dollars per share) | $ / shares			$ (0.23)	$ (0.43)	$ (1.66)	$ (1.43)
Collaboration and License Agreement | ModernaTX, Inc
Collaboration and License Agreement
Upfront payments		$ 40,000					$ 40,000
Prepaid research services funding		$ 7,500					$ 7,500
Milestone payments receivable			$ 1,800,000		$ 1,800,000
Number of performance obligations | item		1
Premium paid on common stock		$ 13,300
Variable consideration		0
Transaction Price Allocated		$ 77,893	73,931		73,931
Collaboration and License Agreement | ModernaTX, Inc | Minimum
Collaboration and License Agreement
Number of products to be commercialized | product		1
Royalty payment term		10 years
Collaboration and License Agreement | Share Purchase Agreement | Beneficial Owner | ModernaTX, Inc
Collaboration and License Agreement
Sale of common stock in connection with the Moderna Share Purchase Agreement, shares | shares		5,859,375
Shares issue price (in dollars per share) | $ / shares		$ 6.14
Proceeds from issuance/sale of common stock		$ 36,000
Percent of shares to be issued		3.06%
Equity financing		$ 25,000
Collaboration and License Agreement | Contracts Accounted for under Percentage of Completion
Collaboration and License Agreement
Transaction Price Allocated			(6,800)		(6,800)
Collaboration revenue			3,800		3,800
Deferred revenue			$ (3,800)		$ (3,800)
Net loss per share, basic (in dollars per share) | $ / shares			$ (0.06)		$ (0.06)
Net loss per share, diluted (in dollars per share) | $ / shares			$ (0.06)		$ (0.06)