CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 267,014	$ 256,380	$ 226,908
Cost of revenue	99,229	81,512	58,313
Gross profit	167,785	174,868	168,595
Operating expenses:
Technology and development	26,727	20,846	15,885
Sales and marketing	82,803	68,562	58,160
General and administrative	56,219	44,940	35,761
Total operating expenses	165,749	134,348	109,806
Operating income	2,036	40,520	58,789
Interest income	8,828	2,214	300
Unrealized gain (loss) on equity investments	0	(5,948)
Unrealized gain (loss) on equity investments			5,433
Other income (expense), net	(359)	681	281
Total other income (expense), net	8,469	(3,053)	6,014
Income before income taxes	10,505	37,467	64,803
Provision for income taxes	1,624	8,762	8,199
Net income	$ 8,881	$ 28,705	$ 56,604
Net income per share attributable to common stockholders:
Basic (in usd per share)	$ 0.17	$ 0.55	$ 1.13
Diluted (in usd per share)	$ 0.16	$ 0.50	$ 1.00
Weighted-average shares used to compute net income per share attributable to common stockholders:
Basic (in shares)	51,760,000	52,278,000	50,184,000
Diluted (in shares)	56,027,000	56,908,000	56,629,000