Segment and geographic information - Schedule of Financial Information by Each Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue	$ 789,844	$ 786,565	$ 728,937
Cost of revenue	271,438	294,625	309,598
Segment adjusted gross profit	546,413	521,030	447,185
Content costs
Segment Reporting Information [Line Items]
Cost of revenue	(169,485)	(192,274)	(209,449)
Customer support
Segment Reporting Information [Line Items]
Cost of revenue	(46,073)	(44,990)	(44,349)
Other segment items
Segment Reporting Information [Line Items]
Cost of revenue	(27,873)	(28,271)	(27,954)
Enterprise
Segment Reporting Information [Line Items]
Revenue	524,074	494,458	420,646
Segment adjusted gross profit	394,920	361,673	283,419
Enterprise | Content costs
Segment Reporting Information [Line Items]
Cost of revenue	(84,473)	(89,584)	(95,773)
Enterprise | Customer support
Segment Reporting Information [Line Items]
Cost of revenue	(38,635)	(37,956)	(37,320)
Enterprise | Other segment items
Segment Reporting Information [Line Items]
Cost of revenue	(6,046)	(5,245)	(4,134)
Consumer
Segment Reporting Information [Line Items]
Revenue	265,770	292,107	308,291
Segment adjusted gross profit	151,493	159,357	163,766
Consumer | Content costs
Segment Reporting Information [Line Items]
Cost of revenue	(85,012)	(102,690)	(113,676)
Consumer | Customer support
Segment Reporting Information [Line Items]
Cost of revenue	(7,438)	(7,034)	(7,029)
Consumer | Other segment items
Segment Reporting Information [Line Items]
Cost of revenue	$ (21,827)	$ (23,026)	$ (23,820)