CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues	$ 226,970	$ 259,769	$ 262,615
Operating expenses:
Cost of revenues	32,126	39,147	37,212
Product development	25,714	29,863	26,087
Sales and marketing	77,451	81,755	83,299
General and administrative	43,684	44,639	42,059
Depreciation	9,849	9,298	10,944
Amortization of intangible assets	6,787	13,894	16,257
Impairment of goodwill	15,369	34,818	0
Impairment of intangible assets	9,252	0	0
Disposition related and other costs (Note 12)	3,347	0	0
Change in acquisition related contingencies	0	0	153
Total operating expenses	223,579	253,414	216,011
Operating income	3,391	6,355	46,604
Interest expense	(3,481)	(3,289)	(3,744)
Other expense	(29)	(25)	(11)
Income (loss) before income taxes	(119)	3,041	42,849
Income tax expense	5,279	14,009	15,237
Net income (loss)	$ (5,398)	$ (10,968)	$ 27,612
Basic earnings (loss) per share (in dollars per share)	$ (0.11)	$ (0.21)	$ 0.53
Diluted earnings (loss) per share (in dollars per share)	$ (0.11)	$ (0.21)	$ 0.51
Weighted average basic shares outstanding	48,319	51,402	52,328
Weighted average diluted shares outstanding	48,319	51,402	54,410