Segment and geographic information - Summary of Financial Information by Each Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenue	$ 629,097	$ 515,657	$ 429,899
Segment cost of revenue	275,320	236,024	209,253
Gross profit	353,777	279,633	220,646
Reconciliation of segment gross profit to gross profit
Amortization of capitalized software	12,600	9,300	6,900
Amortization of intangible assets	4,300	1,500
Depreciation	4,300	4,500	4,200
Stock-based compensation	81,293	34,680	31,618
Gross profit	353,777	279,633	220,646
Operating Segments
Segment Reporting Information [Line Items]
Revenue	629,097	515,657	429,899
Segment cost of revenue	253,831	223,326	201,323
Gross profit	375,266	292,331	228,576
Reconciliation of segment gross profit to gross profit
Gross profit	375,266	292,331	228,576
Segment Reconciling Items
Segment Reporting Information [Line Items]
Gross profit	21,489	12,698	7,930
Reconciliation of segment gross profit to gross profit
Amortization of capitalized software	12,586	9,293	6,894
Amortization of intangible assets	2,900	1,022	0
Depreciation	643	760	618
Stock-based compensation	5,360	1,623	418
Gross profit	21,489	12,698	7,930
Consumer | Operating Segments
Segment Reporting Information [Line Items]
Revenue	315,059	328,703	326,454
Segment cost of revenue	149,254	159,342	165,804
Gross profit	165,805	169,361	160,650
Reconciliation of segment gross profit to gross profit
Gross profit	165,805	169,361	160,650
Consumer | Operating Segments | Revision of Prior Period, Error Correction, Adjustment
Segment Reporting Information [Line Items]
Gross profit			6,700
Reconciliation of segment gross profit to gross profit
Gross profit			6,700
Enterprise | Operating Segments
Segment Reporting Information [Line Items]
Revenue	314,038	186,954	103,445
Segment cost of revenue	104,577	63,984	35,519
Gross profit	209,461	122,970	67,926
Reconciliation of segment gross profit to gross profit
Gross profit	$ 209,461	$ 122,970	67,926
Enterprise | Operating Segments | Revision of Prior Period, Error Correction, Adjustment
Segment Reporting Information [Line Items]
Segment cost of revenue			6,700
Gross profit			(6,700)
Reconciliation of segment gross profit to gross profit
Gross profit			$ (6,700)