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NOTE 11 DEBT SERVICE ACCOUNTS (Detail) (USD $)
 1 Months Ended 2 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 2 Months Ended
Mar. 31, 2012
Aug. 31, 1997
Aug. 31, 2012
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 26, 2012
Jul. 31, 2004
Convertible Debt Securities [Member]
Mar. 28, 2012
Contingent Convertible Senior Unsecured Notes [Member]
Dec. 31, 2011
Contingent Convertible Senior Unsecured Notes [Member]
Aug. 31, 2012
Asset-backed Securities, Securitized Loans and Receivables Series A [Member]
Dec. 31, 2012
Advance Funding Facility [Member]
Dec. 31, 2011
Advance Funding Facility [Member]
Interest-bearing Deposits in Banks and Other Financial Institutions       $ 31,710,000 [1] $ 31,710,000 [1] $ 27,191,000 [1]             $ 88,748,000 $ 115,867,000
Debt Conversion, Original Debt, Amount (in Dollars)   125,000,000 26,119,000   56,410       175,000,000 56,410,000        
Debt Instrument, Interest Rate, Stated Percentage   10.875%             3.25%          
Unsecured Debt           82,554,000       56,435,000 56,435,000      
Debt Conversion, Converted Instrument, Shares Issued (in Shares) 4,635,159       4,635,159         4,635,159        
Debt Instrument, Convertible, Conversion Ratio                   82.1693        
Debt Conversion Converted Instrument Principal Per Share Amount                   1,000,000        
Debt Instrument, Convertible, Conversion Price (in Dollars per share)               $ 31.79   $ 12.17        
Shares Attributable To Conversion Of Debt Securities (in Shares) (in Shares)                   11        
Debt Conversion Converted Instrument Remaining Amount                   25,000        
Long-Term Debt Securities, Redemption Rate                       102.719%    
Gains (Losses) on Extinguishment of Debt       $ 2,317,000 $ 2,167,000 $ (3,651,000) $ (152,000)         $ 653,000    
[1] These balances include $25,829 and $19,623 of cash collateral held by the counterparties to certain of our derivative agreements at December 31, 2012 and 2011, respectively.