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]
Revenues, net	$ 80,762	$ 59,350	$ 155,795	$ 112,900
Cost of revenues	10,909	8,591	21,054	15,934
Gross profit	69,853	50,759	134,741	96,966
Operating expenses:
Sales and marketing	34,684	31,510	65,431	54,581
Technology and development	8,764	6,760	17,673	12,502
General and administrative	23,587	28,284	46,227	42,913
Total operating expenses	67,035	66,554	129,331	109,996
Operating income (loss)	2,818	(15,795)	5,410	(13,030)
Other income (expense):
Interest income	503	7	533	25
Interest expense	(65)	(66)	(151)	(262)
Other income (expense)	264	(416)	(274)	(559)
Income (loss) before income tax expense	3,520	(16,270)	5,518	(13,826)
Income tax expense	(172)	(593)	(810)	(837)
Net income (loss)	$ 3,348	$ (16,863)	$ 4,708	$ (14,663)
Net income (loss) per share, basic (in dollars per share)	$ 0.02	$ (0.14)	$ 0.03	$ (0.24)
Net income (loss) per share, diluted (in dollars per share)	$ 0.02	$ (0.14)	$ 0.03	$ (0.24)
Weighted-average shares used in calculating basic net income (loss) per share (in shares)	175,293,173	122,273,944	174,909,849	61,136,973
Weighted-average shares used in calculating diluted net income (loss) per share (in shares)	182,220,649	122,273,944	182,229,908	61,136,973