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Note 5 FAIR VALUE OF FINANCIAL INSTRUMENTS (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2011
Dec. 31, 2008
Loans Held-for-sale, Fair Value Disclosure (in Dollars)   $ 3 [1]    
Variable Interest Entity Consolidated Carrying Amount Assets Fair Value Disclosure Prepayment Speeds   3% to 6%    
VariableInterestEntityConsolidated Carrying Amount Assets Fair Value Disclosure Default Rates   20% to 28%    
Variable Interest Entity Consolidated Carrying Amount Assets Fair Value Disclosure Discount Rate   20% to 22%    
Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Other Key Assumption Rate Or Value   4.00%    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate   20.00%    
Transfers Of Financial Assets Accounted For As Secured Borrowings Assumptions Used To Estimate Fair Value Discount Rate 2.5% to 3.5%      
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance (in Dollars) 2,494   2,290 3,624
Gain (Loss) on Sale of Derivatives (in Dollars) (4,272) (2,908)    
Default Rate [Member]
        
Loans Receivable, Fair Value Disclosure, Significant Assumptions 5% to 10%      
Reperformance Rate [Member]
        
Loans Receivable, Fair Value Disclosure, Significant Assumptions   35%    
Loss Severity [Member]
        
Loans Receivable, Fair Value Disclosure, Significant Assumptions   20% to 50%    
Coupon Rate [Member]
        
Loans Receivable, Fair Value Disclosure, Significant Assumptions   7.8%    
Discount Rate [Member]
        
Loans Receivable, Fair Value Disclosure, Significant Assumptions   10%    
Non Perfoming Loans Discount Rate [Member]
        
Loans Receivable, Fair Value Disclosure, Significant Assumptions   15%    
Carrying (Reported) Amount, Fair Value Disclosure [Member]
        
Loans Held For Sale Carrying Amount Fair Value Disclosure (in Dollars) 34,164      
Estimate of Fair Value, Fair Value Disclosure [Member]
        
Loans Held-for-sale, Fair Value Disclosure (in Dollars) 20,203      
Valuation Allowance for Impairment of Recognized Servicing Assets [Member]
        
Loans Receivable Held-for-sale, Net (in Dollars) $ 13,961 $ 14,257    
[1] Measured at fair value on a non-recurring basis.