Segment and geographic information - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($) segment
Segment Reporting Information [Line Items]
Number of operating segments | segment	2	2	2
Number of reportable segments | segment	2	2	2
Segment cost of revenue	$ 275,320	$ 236,024	$ 209,253
Gross Profit	(353,777)	(279,633)	(220,646)
Operating Segments
Segment Reporting Information [Line Items]
Segment cost of revenue	253,831	223,326	201,323
Gross Profit	(375,266)	(292,331)	(228,576)
Operating Segments | Enterprise
Segment Reporting Information [Line Items]
Segment cost of revenue	104,577	63,984	35,519
Gross Profit	(209,461)	(122,970)	(67,926)
Operating Segments | Consumer
Segment Reporting Information [Line Items]
Segment cost of revenue	149,254	159,342	165,804
Gross Profit	$ (165,805)	$ (169,361)	(160,650)
Operating Segments | Revision of Prior Period, Error Correction, Adjustment | Enterprise
Segment Reporting Information [Line Items]
Segment cost of revenue			6,700
Gross Profit			6,700
Operating Segments | Revision of Prior Period, Error Correction, Adjustment | Consumer
Segment Reporting Information [Line Items]
Gross Profit			$ (6,700)