Consolidated balance sheet components - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Realized gains and losses reclassified from accumulated other comprehensive loss to other income (expense), net	$ 0.0
Number of continuous unrealized loss position for twelve months or longer | security	0
Depreciation	$ 4.3	$ 4.5	$ 4.2
Amortization of capitalized software	$ 12.6	$ 9.3	$ 6.9