CONTINGENCIES (Details) (USD $)			0 Months Ended		0 Months Ended	1 Months Ended		1 Months Ended			0 Months Ended	9 Months Ended		0 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Oct. 14, 2011 Unfavorable regulatory action regulator	Sep. 30, 2014 Unfavorable regulatory action	Nov. 07, 2014 Unfavorable regulatory action Subsequent Event [Member] regulator	Dec. 31, 2012 Pending litigation or appeal Internet Patents Corporation f/k/a InsWeb v. Tree.com, Inc. patent	Oct. 25, 2013 Pending litigation or appeal Internet Patents Corporation f/k/a InsWeb v. Tree.com, Inc. patent	Jun. 30, 2013 Pending litigation or appeal The Money Suite Company vs. LendingTree, LLC patent	Jul. 31, 2014 Pending litigation or appeal Lijkel Dijkstra v. Harry Carenbauer, Home Loan Center, Inc	Sep. 30, 2014 Pending litigation or appeal Lijkel Dijkstra v. Harry Carenbauer, Home Loan Center, Inc	Sep. 08, 2010 Pending litigation or appeal Lending Tree v. Zillow, Inc. patent	Sep. 30, 2014 Pending litigation or appeal Lending Tree v. Zillow, Inc.	Mar. 12, 2014 Pending litigation or appeal Lending Tree v. Zillow, Inc. patent	May 25, 2007 Settled litigation Boschma v. Home Loan Center, Inc. complaint	Dec. 31, 2013 Settled litigation Boschma v. Home Loan Center, Inc.
Contingencies
Accrued litigation liability	$ 2,686,000	$ 500,000		$ 500,000						$ 2,800,000		$ 2,200,000
Litigation loss									2,800,000			2,200,000			450,000
Range of possible loss, minimum				500,000
Range of possible loss, maximum				$ 6,500,000								$ 9,700,000
Number of patents alleged infringement upon, maximum						1		1			2
Number of patents found not infringed upon							1						2
Number of total complaints filed														8
Number of complaints dismissed by federal and state courts														7
Number of Joining Regulators			34		0