CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement and Statement of Comprehensive Income [Abstract]
Revenue	$ 984,992	$ 1,098,499	$ 909,990
Costs and expenses:
Cost of revenue (exclusive of depreciation and amortization shown separately below)	57,769	57,297	54,494
Selling and marketing expense	702,238	773,990	617,404
General and administrative expense	152,377	153,472	129,101
Product development	55,553	52,865	43,636
Depreciation	20,095	17,910	14,201
Amortization of intangibles	25,306	42,738	53,078
Change in fair value of contingent consideration	0	(8,249)	5,327
Restructuring and severance	4,428	53	295
Litigation settlements and contingencies	(18)	392	(943)
Total costs and expenses	1,017,748	1,090,468	916,593
Operating (loss) income	(32,756)	8,031	(6,603)
Other (expense) income, net:
Interest expense, net	(26,014)	(46,867)	(36,300)
Other income	3,843	123,272	376
(Loss) income before income taxes	(54,927)	84,436	(42,527)
Income tax (expense) benefit	(133,019)	(11,298)	19,961
Net (loss) income from continuing operations	(187,946)	73,138	(22,566)
Loss from discontinued operations, net of tax	(6)	(4,023)	(25,689)
Net (loss) income	(187,952)	69,115	(48,255)
Comprehensive (loss) income	$ (187,952)	$ 69,115	$ (48,255)
Weighted average shares outstanding:
Basic (in shares)	12,793	13,199	13,007
Diluted (in shares)	12,793	13,695	13,007
(Loss) income per share from continuing operations:
Basic (in dollars per share)	$ (14.69)	$ 5.54	$ (1.73)
Diluted (in dollars per share)	(14.69)	5.34	(1.73)
Loss per share from discontinued operations:
Basic (in dollars per share)	0	(0.30)	(1.98)
Diluted (in dollars per share)	0	(0.29)	(1.98)
Net (loss) income per share:
Basic (in dollars per share)	(14.69)	5.24	(3.71)
Diluted (in dollars per share)	$ (14.69)	$ 5.05	$ (3.71)