Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue	$ 195,102	$ 140,453	$ 532,168	$ 397,156
Costs and operating expenses:
Cost of revenue, exclusive of depreciation and amortization presented separately below	11,271	7,540	32,789	20,383
Product development and technology	35,073	15,846	90,800	38,133
Sales and marketing	95,651	65,113	263,726	180,195
General and administrative	35,947	108,479	119,312	120,698
Depreciation and amortization	10,161	5,160	23,891	14,026
Total costs and operating expenses	188,103	202,138	530,518	373,435
Operating income (loss)	6,999	(61,685)	1,650	23,721
Other expense, net:
Other expense (income), net	0	1	0	(20)
Interest income	(13)	(24)	(42)	(140)
Interest expense	5,928	6,264	17,739	21,697
Total other expense, net	5,915	6,241	17,697	21,537
Income (loss) before income taxes	1,084	(67,926)	(16,047)	2,184
Income tax (expense) benefit	(19,153)	17,894	30,707	2,467
Net (loss) income	(18,069)	(50,032)	14,660	4,651
Net (loss) income attributable to common stockholders:
Basic	(18,069)	(50,032)	14,660	3,045
Diluted	$ (18,069)	$ (50,032)	$ 14,660	$ 3,092
(Loss) earnings per share:
Basic	$ (0.04)	$ (0.21)	$ 0.04	$ 0.01
Diluted	$ (0.04)	$ (0.21)	$ 0.03	$ 0.01
Weighted average shares used in computing (loss) earnings per share:
Basic	411,223	241,061	408,604	233,727
Diluted	411,223	241,061	429,695	244,529
Cost of Sales
Stock-based compensation included in costs and operating expenses:
Total stock-based compensation	$ 238	$ 57	$ 540	$ 98
Research and Development Expense
Stock-based compensation included in costs and operating expenses:
Total stock-based compensation	10,333	2,958	26,656	4,772
Selling and Marketing Expense
Stock-based compensation included in costs and operating expenses:
Total stock-based compensation	5,638	4,284	16,158	5,762
General and Administrative Expense
Stock-based compensation included in costs and operating expenses:
Total stock-based compensation	$ 23,771	$ 99,574	$ 83,828	$ 100,572