SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended			3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Cash in escrow for surety bonds	Dec. 31, 2012 Cash in escrow for surety bonds	Sep. 30, 2013 Cash in escrow for corporate purchasing card program	Dec. 31, 2012 Cash in escrow for corporate purchasing card program	Sep. 30, 2013 Cash in escrow for sale of LendingTree Loans	Dec. 31, 2012 Cash in escrow for sale of LendingTree Loans	Sep. 30, 2013 Cash in escrow for earnout related to an acquisition	Dec. 31, 2012 Cash in escrow for earnout related to an acquisition	Sep. 30, 2013 Cash restricted for loan loss obligations	Dec. 31, 2012 Cash restricted for loan loss obligations	Sep. 30, 2013 Other	Dec. 31, 2012 Other
Restricted cash
Increase (Decrease) in Restricted Cash	$ (3,396)	$ 4,047		$ 4,000
Restricted cash and cash equivalents	$ 26,018		$ 29,414	$ 2,453	$ 6,500	$ 400	$ 800	$ 18,117	$ 17,077	$ 1,956	$ 1,956	$ 3,051	$ 3,051	$ 41	$ 30