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Note 17 INTEREST EXPENSE (Detail) - (Table 1) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Interest Expense per Liability $ 46,924 $ 37,543
Match Funded Liabilties [Member]
    
Interest Expense per Liability 31,115 20,784
Secured Borrowings Owed To Securitization Investors [Member]
    
Interest Expense per Liability 256 196
Lines Of Credit And Other Secured Borrowings [Member]
    
Interest Expense per Liability 14,222 15,238
Debt Securities Convertible Notes[ Member]
    
Interest Expense per Liability 153 459
Debt Securities Capital Trust Securities [Member]
    
Interest Expense per Liability 710 710
Escrow deposits [Member]
    
Interest Expense per Liability 468 156
Total [Member]
    
Interest Expense per Liability $ 46,924 $ 37,543