Income Taxes - Loss before income tax (expense) benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes
Domestic	$ (39,157)	$ (38,600)	$ (47,203)
Foreign	556	615	539
Loss before income tax (expense) benefit	$ (38,601)	$ (37,985)	$ (46,664)