Quarterly report pursuant to Section 13 or 15(d)

Carrying Amount And Estimated Fair Value Of Financial Instruments (Detail)

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Carrying Amount And Estimated Fair Value Of Financial Instruments (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Financial Assets:    
Investment securities held to maturity $ 22,193 $ 15,999
Carrying Amount | Significant Other Observable Inputs (Level 2)
   
Financial Assets:    
Cash and cash equivalents 155,802 242,933
Investment securities available for sale 284,797 282,647
Investment securities held to maturity 21,011 15,209
Restricted equity securities 4,018 3,501
Mortgage loans held for sale 15,000 17,859
Accrued interest and dividends receivable 8,057 8,192
Bank owned life insurance contracts 41,165 40,390
Derivatives 563 626
Financial Liabilities:    
Deposits 2,240,902 2,143,887
Federal funds purchased 80,205 79,265
Borrowings   4,954
Trust preferred securities 30,514 30,514
Accrued interest payable 935 945
Derivatives 563 617
Carrying Amount | Significant Unobservable Inputs (Level 3)
   
Financial Assets:    
Loans, net 1,999,350 1,808,712
Fair Value | Significant Other Observable Inputs (Level 2)
   
Financial Assets:    
Cash and cash equivalents 155,802 242,933
Investment securities available for sale 296,508 293,809
Investment securities held to maturity 22,193 15,999
Restricted equity securities 4,018 3,501
Mortgage loans held for sale 15,000 17,859
Accrued interest and dividends receivable 8,057 8,192
Bank owned life insurance contracts 41,165 40,390
Derivatives 563 626
Financial Liabilities:    
Deposits 2,246,238 2,150,308
Federal funds purchased 80,205 79,265
Borrowings   5,377
Trust preferred securities 27,385 27,402
Accrued interest payable 935 945
Derivatives 563 617
Fair Value | Significant Unobservable Inputs (Level 3)
   
Financial Assets:    
Loans, net $ 1,997,175 $ 1,811,612