XML 126 R102.htm IDEA: XBRL DOCUMENT v2.4.0.6
NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Weighted-Averages of Key Economic Assumptions in Valuation Model (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Dec. 31, 2010
Carrying amount of servicing assets $ 16,660 $ 16,592 $ 15,226 $ 14,924 $ 14,638 $ 15,163
Fair value 18,007          
Weighted-average expected life 7 years 7 months 6 days          
Decrease in fair value due to 10% adverse change 857          
Decrease in fair value due to 20% adverse change 1,650          
Decrease in fair value due to 10% adverse change 663          
Decrease in fair value due to 20% adverse change $ 1,281          
Weighted Averages [Member]
           
Constant prepayment rate 12.66%          
Discount rate 11.09%