Impairment of property and equipment and definite-lived intangible assets (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Impairment of long-lived assets		$ 9,727	$ 0
Freezer Business
Finite-Lived Intangible Assets [Line Items]
Impairment of long-lived assets	$ 9,700
Impairment of intangible assets, finite-lived	5,800
Technology - acquired
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived				$ 4,100
Technology - acquired | Freezer Business
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	3,100
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived				800
Customer relationships | Freezer Business
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	200
Tradenames
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived				$ 2,400
Tradenames | Freezer Business
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	$ 2,500