Summary of significant accounting policies - Schedule of Contract Liability (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Contract With Customer, Liability [Roll Forward]
Balance, beginning of the period	$ 355,051	$ 316,952	$ 346,150	$ 282,128
Acquisitions	3,230	0	3,230	0
Revenue earned	(114,780)	(96,542)	(250,724)	(199,357)
Deferral of revenue	127,803	120,820	272,274	258,459
Other	(1,550)	0	(1,176)	0
Balance, end of the period	$ 369,754	$ 341,230	$ 369,754	$ 341,230