Net loss per common share - Schedule of Earnings Per Share, Basic and Diluted, Two Class Method (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net loss	$ (10,221)	$ (13,714)
Net loss allocated to common shareholders	(10,221)	(13,714)
Net loss allocated to common shareholders	$ (10,221)	$ (13,714)
Denominator:
Weighted average common shares issued, basic (in shares)	45,432,426	43,027,612
Weighted average common shares outstanding, basic (in shares)	45,432,426	43,027,612
Weighted average common shares issued, diluted (in shares)	45,432,426	43,027,612
Weighted average common shares outstanding, diluted (in shares)	45,432,426	43,027,612
Loss per common share, basic (in dollars per share)	$ (0.22)	$ (0.32)
Loss per common share, diluted (in dollars per share)	$ (0.22)	$ (0.32)