Revenue recognition - Summary of Deferred Contract Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred contract costs [Roll Forward]
Balance at Beginning of Period	$ 65,645	$ 44,545	$ 25,837
Additions	56,890	53,379	36,509
Amortization Expense	(48,161)	(32,279)	(17,801)
Balance at End of Period	$ 74,374	$ 65,645	$ 44,545