DISCONTINUED OPERATIONS (Details) (USD $)	3 Months Ended			1 Months Ended			3 Months Ended			3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	May 31, 2013 Discover	Mar. 31, 2013 Discover	Dec. 31, 2012 Discover	Mar. 31, 2013 Real estate businesses	Mar. 31, 2012 Real estate businesses	Dec. 31, 2012 Real estate businesses	Mar. 31, 2013 Lending Tree Loans	Mar. 31, 2012 Lending Tree Loans	Dec. 31, 2012 Lending Tree Loans
DISCONTINUED OPERATIONS
Indemnification claim settlement value				$ 1,500,000
Amount of reserve for contingencies					1,500,000	1,600,000
Revenue and net income (loss) of discontinued operations
Revenue							1,000	41,000		(1,195,000)	50,866,000
Income (loss) before income taxes							7,000	(74,000)		(2,498,000)	19,722,000
Income tax benefit (expense)										(51,000)	(2,230,000)
Gain from sale of discontinued operations, net of tax										98,000
Income (loss) from discontinued operations	(2,444,000)	17,418,000					7,000	(74,000)		(2,451,000)	17,492,000
Assets and liabilities of facilities reported as discontinued operations
Current assets	433,000		407,000							433,000		407,000
Non-current assets	129,000		129,000							129,000		129,000
Current liabilities	(32,925,000)		(31,017,000)				(232,000)		(206,000)	(32,693,000)		(30,811,000)
Non-current liabilities	(236,000)		(253,000)							(236,000)		(253,000)
Net liabilities							$ (232,000)		$ (206,000)	$ (32,367,000)		$ (30,528,000)