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CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (USD $)
In Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
CONSOLIDATED STATEMENTS OF OPERATIONS        
Servicing fees, affiliates $ 2,303 $ 1,551 $ 4,530 $ 3,446