Fair Value Measurements - Schedule of Financial Instruments Carried at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 09, 2025	Dec. 31, 2024
Liabilities
Derivative tranche liability		$ (14,900)
Recurring basis
Assets
Cash equivalents	$ 70,239		$ 60,819
Liabilities
Derivative tranche liability	16,730
Recurring basis | Level 1
Assets
Cash equivalents	70,239		60,819
Liabilities
Derivative tranche liability	0
Recurring basis | Level 2
Assets
Cash equivalents	0		0
Liabilities
Derivative tranche liability	0
Recurring basis | Level 3
Assets
Cash equivalents	0		$ 0
Liabilities
Derivative tranche liability	$ 16,730