DISCONTINUED OPERATIONS (Details 12) (LendingTree Loans, Discontinued operations, USD $) In Millions, unless otherwise specified	6 Months Ended	1 Months Ended				6 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended			1 Months Ended	6 Months Ended		6 Months Ended		1 Months Ended	6 Months Ended		1 Months Ended
	Jun. 30, 2012 CreditFacility	Jul. 31, 2012 Warehouse lines of credit CreditFacility	Jun. 30, 2012 Warehouse lines of credit	Dec. 31, 2011 Warehouse lines of credit	Jun. 30, 2012 Committed warehouse lines of credit CreditFacility	Jun. 30, 2012 First warehouse line	Jul. 21, 2012 First warehouse line	Jul. 31, 2012 First warehouse line Loans not being sold to lender	Jul. 21, 2012 First warehouse line Loans not being sold to lender	Jul. 31, 2012 First warehouse line Minimum Loans being sold to lender	Jul. 21, 2012 First warehouse line Minimum Loans being sold to lender	Jul. 31, 2012 First warehouse line Maximum Loans being sold to lender	Jul. 21, 2012 First warehouse line Maximum Loans being sold to lender	Jun. 30, 2012 Uncommitted line of credit facility CreditFacility	Jul. 31, 2012 Second warehouse line	Jun. 30, 2012 Second warehouse line	Jul. 21, 2012 Second warehouse line	Jun. 30, 2012 Third warehouse line	Jul. 21, 2012 Third warehouse line	Jul. 31, 2012 Third warehouse line Minimum	Jun. 30, 2012 Third warehouse line Minimum CreditFacility	Jul. 21, 2012 Third warehouse line Minimum	Jul. 31, 2012 Third warehouse line Maximum	Jul. 21, 2012 Third warehouse line Maximum
Warehouse Lines of Credit
Outstanding borrowings			$ 0.3	$ 197.7
Number of lines of credit					2									1
Borrowing capacity					325.0		125.0										100.0		100.0
Number of lines of credit expired		3
Expiration period after the closing of the asset purchase agreement						45 days										45 days		45 days
Variable interest rate basis								Greater of 30-day adjusted LIBOR or 2.0%		Greater of 30-day adjusted LIBOR or 2.0%		Greater of 30-day adjusted LIBOR or 2.0%			30-day LIBOR					Overnight interest rate			Overnight interest rate
Minimum LIBOR interest rate (as a percent)											2.00%		2.00%									2.00%		2.00%
Margin add to variable interest rate (as a percent)									1.50%		1.50%		1.75%				3.25%					3.25%		3.75%
Number of line of credit restricting dividend payments	2
Minimum tangible net worth required to maintain as per financial and other covenants														$ 25.0		$ 25.0		$ 20.0
Percentage of the positive quarterly net income added to the minimum tangible net worth under the covenants																		50.00%
Period prior to date of determination for minimum tangible net worth under the covenants																		3 months
Number of additional warehouse line																					1