Segment and geographic information - Summary of Financial Information by Each Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Revenue	$ 728,937	$ 629,097	$ 515,657
Segment cost of revenue	309,598	275,320	236,024
Gross profit	419,339	353,777	279,633
Reconciliation of segment gross profit to gross profit
Amortization of capitalized software	17,500	12,600	9,300
Amortization of intangible assets	4,100	4,300	1,500
Depreciation	3,000	4,300	4,500
Stock-based compensation	96,046	81,293	34,680
Gross profit	419,339	353,777	279,633
Operating Segments
Segment Reporting Information [Line Items]
Revenue	728,937	629,097	515,657
Segment cost of revenue	281,752	253,831	223,326
Gross profit	447,185	375,266	292,331
Reconciliation of segment gross profit to gross profit
Gross profit	447,185	375,266	292,331
Segment Reconciling Items
Segment Reporting Information [Line Items]
Gross profit	27,846	21,489	12,698
Reconciliation of segment gross profit to gross profit
Amortization of capitalized software	17,497	12,586	9,293
Amortization of intangible assets	2,900	2,900	1,022
Depreciation	443	643	760
Stock-based compensation	7,006	5,360	1,623
Gross profit	27,846	21,489	12,698
Enterprise | Operating Segments
Segment Reporting Information [Line Items]
Revenue	420,646	314,038	186,954
Segment cost of revenue	137,227	104,577	63,984
Gross profit	283,419	209,461	122,970
Reconciliation of segment gross profit to gross profit
Gross profit	283,419	209,461	122,970
Consumer | Operating Segments
Segment Reporting Information [Line Items]
Revenue	308,291	315,059	328,703
Segment cost of revenue	144,525	149,254	159,342
Gross profit	163,766	165,805	169,361
Reconciliation of segment gross profit to gross profit
Gross profit	$ 163,766	$ 165,805	$ 169,361