Loss per share - Schedule of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Earnings Per Share [Abstract]
Net loss	$ (40,664)	$ (60,896)
Weighted average shares outstanding
Basic (in shares)	43,260,501	23,176,014
Diluted (in shares)	43,260,501	23,176,014
Basic loss per common share (in USD per share)	$ (0.94)	$ (2.63)
Diluted loss per common share (in USD per share)	$ (0.94)	$ (2.63)