Assets held for rent - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Assets held for rent, depreciation expense	$ 0.4	$ 0.6	$ 1.3	$ 1.7