CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 63,032	$ 49,658	$ 117,584	$ 93,266
Cost of revenue	18,974	13,088	36,966	25,388
Gross profit	44,058	36,570	80,618	67,878
Operating expenses:
Technology and development	5,075	3,860	9,847	7,599
Sales and marketing	18,212	13,997	34,667	26,786
General and administration	10,977	8,580	21,727	16,719
Total operating expenses	34,264	26,437	66,241	51,104
Operating income	9,794	10,133	14,377	16,774
Total other income (expense), net	(48)	(239)	1,551	(39)
Income before income taxes	9,746	9,894	15,928	16,735
Provision for (benefit from) income taxes	1,927	(27)	3,330	1,896
Net income	$ 7,819	$ 9,921	$ 12,598	$ 14,839
Net income per share attributable to common stockholders:
Basic (in usd per share)	$ 0.15	$ 0.20	$ 0.24	$ 0.30
Diluted (in usd per share)	$ 0.14	$ 0.18	$ 0.22	$ 0.26
Weighted-average shares used to compute net income per share attributable to common stockholders:
Basic (in shares)	52,154,616	49,578,536	52,033,268	49,345,202
Diluted (in shares)	56,847,306	56,428,211	56,868,417	56,607,701