DISCONTINUED OPERATIONS (Details 4) (LendingTree Loans, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Fair value on a recurring basis Significant Other Observable Inputs (Level 2)	Dec. 30, 2011 Fair value on a recurring basis Significant Other Observable Inputs (Level 2)	Jun. 30, 2012 Fair value on a recurring basis Significant Other Observable Inputs (Level 2) Forward delivery contracts	Dec. 31, 2011 Fair value on a recurring basis Significant Other Observable Inputs (Level 2) Forward delivery contracts	Jun. 30, 2012 Fair value on a recurring basis Significant Unobservable Inputs (Level 3)	Dec. 31, 2011 Fair value on a recurring basis Significant Unobservable Inputs (Level 3)	Dec. 31, 2011 Fair value on a recurring basis Significant Unobservable Inputs (Level 3) Interest Rate Lock Commitments	Dec. 31, 2011 Fair value on a recurring basis Significant Unobservable Inputs (Level 3) Forward delivery contracts	Jun. 30, 2012 Fair value on a recurring basis Total Fair Value Measurements	Dec. 31, 2011 Fair value on a recurring basis Total Fair Value Measurements	Dec. 31, 2011 Fair value on a recurring basis Total Fair Value Measurements Interest Rate Lock Commitments	Jun. 30, 2012 Fair value on a recurring basis Total Fair Value Measurements Forward delivery contracts	Dec. 31, 2011 Fair value on a recurring basis Total Fair Value Measurements Forward delivery contracts
Fair Value Measurements
Loans held for sale	$ 1,054	$ 217,467	$ 887	$ 217,172			$ 167	$ 295			$ 1,054	$ 217,467
Assets and Liabilities at fair value	$ (37,533)	$ (6,967)	$ (1,305)	$ 213,065	$ (2,192)	$ (4,107)	$ 167	$ 9,436	$ 9,122	$ 19	$ (1,138)	$ 222,501	$ 9,122	$ (2,192)	$ (4,088)