Share-Based Compensation - Narrative (Details) - USD ($)		6 Months Ended
	Jun. 09, 2025	Jun. 30, 2026	Dec. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, capital reserved for future issuance (in shares)		18,024,000	16,896,000
Unrecognized compensation cost, options		$ 13,200,000
Shares available for purchase under the ESPP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, capital reserved for future issuance (in shares)		1,706,000	1,121,000
Unvested stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, capital reserved for future issuance (in shares)		8,894,000	10,874,000
Unrecognized compensation cost, period for recognition (in years)		2 years 2 months 12 days
Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, capital reserved for future issuance (in shares)		3,752,000	928,000
Unrecognized compensation cost, period for recognition (in years)		3 years 6 months
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount		$ 53,900,000
Restricted Stock Units | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period (in years)		1 year
Restricted Stock Units | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period (in years)		4 years
2025 Equity Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, capital reserved for future issuance (in shares)	5,045,541
Increase in number of shares available for grant, percentage of shares outstanding	5.00%
Maximum shares issuable (in shares)	15,136,624
Award maximum term (in years)	10 years
Award vesting period (in years)	4 years
Shares available for issuance (in shares)		3,672,449	3,973,135
2025 Employee Stock Purchase Plan | Shares available for purchase under the ESPP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, capital reserved for future issuance (in shares)	1,121,231
Increase in number of shares available for grant, percentage of shares outstanding		1.00%
Maximum shares issuable (in shares)		6,727,388
Shares available for issuance (in shares)		1,706,431	1,121,231
Maximum employee subscription rate, percent		15.00%
Maximum number of shares per employee (in shares)		666
Maximum employee subscription amount		$ 25,000
Purchase price of common stock, percent		85.00%
Purchase period (in months)		27 months
Increase in number of shares available for grant, period for increase (in years)		10 years