ORGANIZATION (Details 1) (USD $)	3 Months Ended		9 Months Ended					3 Months Ended	9 Months Ended		1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Cash in escrow for sale of LendingTree Loans	Dec. 31, 2012 Cash in escrow for sale of LendingTree Loans	Jun. 30, 2013 Lending Tree Loans Discover Bank	Sep. 30, 2013 Lending Tree Loans Discover Bank	Feb. 07, 2012 Lending Tree Loans Discover Bank	Sep. 30, 2011 Internet domain names and trademarks RealEstate.com
Organization- 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 for sale of assets										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 receivable for sale of assets										10,000,000
Gain from sale of discontinued operations, net of tax	0	0	10,101,000	24,313,000				10,000,000
Restricted cash and cash equivalents	$ 26,018,000		$ 26,018,000		$ 29,414,000	$ 18,117,000	$ 17,077,000
Period for which marketing related services are to be provided									17 months