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Goodwill and intangible assets - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Jun. 06, 2024
Goodwill and intangible assets
Goodwill impairment loss	$ 0		$ 0
Goodwill	62,420		$ 47,803
Amortization of intangible assets	$ 2,368	$ 2,095
USA Refrigerants Acquisition
Goodwill and intangible assets
Goodwill				$ 14,617

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