ORGANIZATION (Details) (USD $)					1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Cash in escrow for sale of LTL	Dec. 31, 2012 Cash in escrow for sale of LTL	Sep. 30, 2011 RealEstate.com Internet domain names and trademarks	Dec. 31, 2013 Lending Tree Loans Discover Bank	Feb. 07, 2012 Lending Tree Loans Discover Bank	Dec. 31, 2013 Lending Tree Loans Discover Bank Cash in escrow for sale of LTL
DISCONTINUED OPERATIONS
Proceeds from sale of assets					$ 8,300,000
Gain on sale of internet domain names and trademarks					7,800,000
Amount of proceeds from the sale							55,900,000
Amount received from sale of assets prior to closing							8,000,000
Amount received from sale of assets on the closing							37,900,000
Amount received from sale of assets on the first anniversary of the closing							10,000,000
Restricted cash and cash equivalents	$ 26,017,000	$ 29,414,000	$ 18,117,000	$ 17,077,000		$ 21,200,000		$ 18,100,000
Period for which marketing related services are to be provided						17 months