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Related party transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Naspers
Related Party Transaction [Line Items]
Ownership percentage	5.00%
Affiliated Entity \| Naspers Ltd. and Other Entity
Related Party Transaction [Line Items]
Revenue from related parties	$ 1.5	$ 1.5	$ 1.3
Accounts receivable, related parties	0.1	0.1
Affiliated Entity \| Certain Vendors
Related Party Transaction [Line Items]
General and administrative expenses, related party	0.9	0.9	$ 0.3
Accounts payable, related parties	0.0	$ 0.1
Board of Directors \| Enterprise Subscription Offering
Related Party Transaction [Line Items]
Revenue from related parties	0.5
Accounts receivable, related parties	$ 0.4