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NOTE 2 - INVESTMENT SECURITIES (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Available For Sale Securities Net Unrealized Gain Loss $ 4,015,000 $ 5,571,000  
Available For Sale Securities Tax benefits 1,647,000 2,284,000  
Available-for-sale Securities, Gross Realized Gains 1,886,000 1,687,000  
Available-for-sale Securities, Gross Realized Losses 9,000 10,000  
Proceeds from Sale of Available-for-sale Securities 133,047,000 101,940,000 25,730,000
Available-for-sale Equity Securities, Amortized Cost Basis 3,000,000    
Equity Securities at Amortized Cost 3,000,000    
Equity Securities at Fair Value 3,113,000    
Financial Instruments, Owned and Pledged as Collateral, at Fair Value $ 276,308,000 $ 302,852,000