Assets held for rent - Schedule of Assets Held for Rent (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Shippers placed in service	$ 8,994	$ 9,505
Accumulated depreciation	(6,350)	(6,499)
Net	2,644	3,006
Shippers and related components in production	3,046	3,097
Total	$ 5,690	$ 6,103