v2.4.0.8
Components of Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Schedule of Other Assets [Line Items]    
Furniture, Equipment and Leasehold Improvements, Net $ 138,433 $ 142,390
Prepaid Expenses 50,933 81,498
Other Assets 76,994 97,140
Other Assets 312,395 376,372
Freestanding Derivative
   
Schedule of Other Assets [Line Items]    
Freestanding Derivatives $ 46,035 $ 55,344