Loss per share - Schedule of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Earnings Per Share [Abstract]
Net loss	$ (48,287)	$ (11,759)
Weighted average shares outstanding
Basic (in shares)	89,740,061	24,948,434
Diluted (in shares)	89,740,061	24,948,434
Net loss per common share, basic (in dollars per share)	$ (0.54)	$ (0.47)
Net loss per common share, diluted (in dollars per share)	$ (0.54)	$ (0.47)