Income Taxes - Valuation Allowance and Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Changes in valuation allowance for deferred tax assets
Valuation allowance at beginning of year	$ (195,124)	$ (184,688)
Increases recorded to income tax provision	(29,236)	(10,436)
Valuation allowance as of end of year	(224,360)	(195,124)
Unrecognized tax benefits	$ 0	$ 0