Goodwill and other intangible assets - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Cumulative foreign currency translation adjustment	$ (9,200,000)		$ (11,000,000.0)
Accumulated amortization, cumulative foreign currency translation adjustment	(500,000)		$ (1,000,000.0)
Amortization expense	10,500,000	$ 12,200,000
Impairment of goodwill	0	0
Impairment of intangible assets	$ 0	$ 0