Stock-Based Awards - Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Options, Number of Shares
Number of Shares, beginning balance	6,419,455	5,167,164
Number of Shares, Granted	2,608,700	2,241,550
Number of Shares, Exercised	(162,388)	(71,092)
Number of Shares, Forfeited and cancelled	(2,143,800)	(918,167)
Number of Shares, ending balance	6,721,967	6,419,455	5,167,164
Number of Shares, Options vested and expected to vest	6,721,967
Number of Shares, Options exercisable	3,555,450
Options, Weighted Average Exercise Price
Weighted Average Exercise Price, beginning balance (in dollars per share)	$ 15.94	$ 16.04
Weighted Average Exercise Price, Granted (in dollars per share)	1.86	15.62
Weighted Average Exercise Price, Exercised (in dollars per share)	1.31	1.31
Weighted Average Exercise Price, Forfeited and cancelled (in dollars per share)	15.06	16.85
Weighted Average Exercise Price, ending balance (in dollars per share)	11.12	$ 15.94	$ 16.04
Weighted Average Exercise Price, Options vested and expected to vest (in dollars per share)	11.12
Weighted Average Exercise Price, Options exercisable (in dollars per share)	$ 15.39
Options, Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term (in years)	6 years 9 months 18 days	7 years 1 month 6 days	7 years 2 months 12 days
Weighted Average Remaining Contractual Term, Options vested and expected to vest (in years)	6 years 9 months 18 days
Weighted Average Remaining Contractual Term, Options exercisable (in years)	5 years
Aggregate Intrinsic Value
Aggregate Intrinsic Value	$ 2,968	$ 14	$ 15,288
Aggregate Intrinsic Value, Exercised	285	$ 473
Aggregate Intrinsic Value, Options vested and expected to vest	2,968
Aggregate Intrinsic Value, Options exercisable	$ 944
Weighted average grant-date fair value of stock options granted (in dollars per share)	$ 1.34	$ 10.98