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DISCONTINUED OPERATIONS (Details 6) (LendingTree Loans, Discontinued operations, USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Loans held for sale
       
Gains (losses) included in earnings relating to assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs (Level 3)        
Total net gains (losses) included in earnings relating to assets $ 215 $ 29 $ 233 $ (3)
Change in unrealized gains (losses) relating to assets still held at the end of the period (44) (96) (44) (95)
Interest Rate Lock Commitments
       
Gains (losses) included in earnings relating to assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs (Level 3)        
Total net gains included in earnings 30,991 25,226 73,378 41,167
Change in unrealized losses relating to assets and liabilities still held at the end of the period   6,278   6,278
Forward delivery contracts
       
Gains (losses) included in earnings relating to assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs (Level 3)        
Total net gains included in earnings 218 38 847 233
Change in unrealized losses relating to assets and liabilities still held at the end of the period   $ 220   $ 220