CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue	$ 900,219	$ 672,502	$ 984,992
Costs and expenses:
Cost of revenue (exclusive of depreciation and amortization shown separately below)	36,072	38,758	57,769
Selling and marketing expense	635,963	433,588	702,238
General and administrative expense	108,705	117,700	152,383
Product development	46,358	47,197	55,553
Depreciation	18,300	19,070	20,095
Amortization of intangibles	5,889	7,694	25,306
Goodwill impairment	0	38,600	0
Restructuring and severance	508	10,118	4,428
Litigation settlements and contingencies	3,797	388	(18)
Total costs and expenses	855,592	713,113	1,017,754
Operating income (loss)	44,627	(40,611)	(32,762)
Other (expense) income, net:
Interest (expense) income, net	(27,849)	21,685	(26,014)
Other (expense) income	(54,162)	(105,993)	3,843
Loss before income taxes	(37,384)	(124,919)	(54,933)
Income tax (expense) benefit	(4,320)	2,515	(133,019)
Net loss and comprehensive loss	(41,704)	(122,404)	(187,952)
Comprehensive income (loss)	$ (41,704)	$ (122,404)	$ (187,952)
Weighted average shares outstanding:
Basic (in shares)	13,269	12,941	12,793
Diluted (in shares)	13,269	12,941	12,793
Net loss per share:
Basic (in dollars per share)	$ (3.14)	$ (9.46)	$ (14.69)
Diluted (in dollars per share)	$ (3.14)	$ (9.46)	$ (14.69)