Condensed Consolidated Statements of Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenues	$ 39,052	$ 54,966	$ 124,860	$ 185,837
Costs and operating expenses:
Cost of revenue (exclusive of depreciation and amortization presented separately below)	3,880	5,715	12,643	16,919
Sales and marketing	25,130	31,239	78,535	108,814
Technology and development	12,742	9,890	34,377	31,863
General and administrative	11,364	11,121	34,025	37,652
Depreciation and amortization	4,284	3,828	11,729	12,731
Goodwill impairment	59,775	0	59,775	0
Total costs and operating expenses	117,175	61,793	231,084	207,979
Loss from operations	(78,123)	(6,827)	(106,224)	(22,142)
Interest income	879	12	1,185	40
Other income	0	0	0	667
Gain (loss) from equity method investment	0	(267)	1,845	(953)
Loss before income taxes	(77,244)	(7,082)	(103,194)	(22,388)
Provision for (benefit from) income taxes	(131)	(38)	(2,648)	189
Net loss from continuing operations	(77,113)	(7,044)	(100,546)	(22,577)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0	208	0	40
Net loss	$ (77,113)	$ (6,836)	$ (100,546)	$ (22,537)
Net loss per share, basic and diluted
Continuing operations, basic (in dollars per share)	$ (0.85)	$ (0.07)	$ (1.09)	$ (0.23)
Continuing operations, diluted (in dollars per share)	(0.85)	(0.07)	(1.09)	(0.23)
Discontinuing operations, basic (in dollars per share)	0	0.00	0.00	0
Discontinuing operations, diluted (in dollars per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Weighted average common shares outstanding, basic and diluted
Basic (in shares)	90,687	96,037	92,508	97,800
Diluted (in shares)	90,687	96,037	92,508	97,800
Other comprehensive loss:
Comprehensive loss	$ (77,113)	$ (6,836)	$ (100,546)	$ (22,537)