Equity Incentive Plan - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)	61,397,970	61,397,970	61,411,218
Weighted average granted date fair value (in dollars per share)	$ 7.78	$ 7.40
Aggregate intrinsic value	$ 1.0	$ 2.1
Stock-based compensation costs related to unvested stock options	$ 14.8	$ 14.8
Options to purchase common stock
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)	10,885,987	10,885,987
Share-based payment award, expiration period (in years)		10 years
Share-based payment award, purchase price of common stock, percentage		110.00%
Percentage Of voting power		10.00%
Vesting period (in years)		4 years
Weighted-average period (in years)		2 years 5 months 26 days
Options to purchase common stock \| Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)		4 years	4 years
Vesting, percentage		25.00%	25.00%
Options to purchase common stock \| Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period (in years)		4 years	4 years
Vesting, percentage		2.08333%	2.08333%
Options to purchase common stock \| Share-Based Payment Arrangement, Employee
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment award, purchase price of common stock, percentage		100.00%

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