Stock-Based Compensation - Stock Option Award Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, Beginning Balance (in shares)	8,109,060
Granted (in shares)	6,603,419
Canceled or forfeited (in shares)	(609,021)
Exercised (in shares)	0
Outstanding, Ending Balance (in shares)	14,103,458	8,109,060
Options vested and expected to vest (in shares)	14,103,458
Weighted-Average Exercise Price
Beginning Balance (in dollars per share)	$ 3.51
Granted (in dollars per share)	0.71
Canceled or forfeited (in dollars per share)	2.57
Exercised (in dollars per share)	0
Ending Balance (in dollars per share)	2.24	$ 3.51
Options vested and expected to vest (in dollars per share)	$ 2.24
Weighted-Average Remaining Contractual Term (years) And Aggregate Intrinsic Value
Options Outstanding, Weighted Average Remaining Contractual Term (years)	8 years 4 months 24 days	8 years 9 months 18 days
Options Vested and Expected to Vest, Weighted Average Remaining Contractual Term (years)	8 years 4 months 24 days
Options Outstanding, Aggregate Intrinsic Value
Options vested and expected to vest
Weighted-Average Grant-Date Fair Value
Weighted-Average Grant-Date Fair Value Options outstanding, Ending	$ 1.9
Weighted-Average Grant-Date Fair Value Options vested and expected to vest	1.9
Minimum
Weighted-Average Grant-Date Fair Value
Exercise price of options outstanding (in dollars per share)	0.67
Maximum
Weighted-Average Grant-Date Fair Value
Exercise price of options outstanding (in dollars per share)	$ 876