Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value On Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Assets, Fair Value Disclosure [Abstract]
Total fair value of assets	$ 77,042	$ 1,009
Liabilities, Fair Value Disclosure [Abstract]
Derivative liabilities (including $995 for a related party)		1,042
Tranche liability (including $331 for a related party)		365
Total fair value of liabilities		1,407
Money Market Funds
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	77,042	1,009
Level 1
Assets, Fair Value Disclosure [Abstract]
Total fair value of assets	77,042	1,009
Level 1 | Money Market Funds
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	$ 77,042	1,009
Level 3
Liabilities, Fair Value Disclosure [Abstract]
Derivative liabilities (including $995 for a related party)		1,042
Tranche liability (including $331 for a related party)		365
Total fair value of liabilities		$ 1,407