Revenue recognition - Summary of Deferred Contract Costs (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Deferred contract costs [Roll Forward]
Balance at Beginning of Period	$ 73,053	$ 74,374
Additions	49,542	46,626
Amortization Expense	(48,392)	(43,863)
Balance at End of Period	$ 74,203	$ 77,137