Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenue	$ 789,844	$ 786,565	$ 728,937
Cost of revenue	271,438	294,625	309,598
Gross profit	518,406	491,940	419,339
Operating expenses
Sales and marketing	326,451	342,946	316,738
Research and development	101,513	125,438	120,335
General and administrative	93,020	96,199	93,898
Restructuring charges	1,578	16,685	10,263
Total operating expenses	522,562	581,268	541,234
Loss from operations	(4,156)	(89,328)	(121,895)
Other income (expense), net
Interest income	14,208	19,666	20,670
Interest expense	(734)	379	(518)
Other expense, net	(981)	(11,655)	(1,898)
Total other income, net	12,493	8,390	18,254
Net income (loss) before taxes	8,337	(80,938)	(103,641)
Income tax provision	4,530	4,350	3,653
Net income (loss)	$ 3,807	$ (85,288)	$ (107,294)
Net income (loss) per share
Basic (in dollars per share)	$ 0.03	$ (0.56)	$ (0.71)
Diluted (in dollars per share)	$ 0.03	$ (0.56)	$ (0.71)
Weighted-average shares used in computing net income (loss) per share
Basic (in shares)	148,205,408	151,320,497	150,098,776
Diluted (in shares)	150,005,398	151,320,497	150,098,776