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DISCONTINUED OPERATIONS (Details 5) (Lending Tree Loans, Discontinued operations, USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
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 $ 233
Change in unrealized gains (losses) relating to assets still held at the end of the period (44) (44)
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 (losses) included in earnings 30,991 73,378
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 (losses) included in earnings $ 218 $ 847