v2.4.0.6
Carrying Amounts and Estimated Fair Values of Financial Instruments (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Financial assets  
Cash and cash equivalents$ 66,719$ 135,964
Interest-bearing deposits with Banks250250
Securities available-for-sale321,322322,512
Securities held-to-maturity56,74650,643
Loans held for sale13,9838,920
Loans, net1,129,0641,112,788
Accrued interest receivable4,6844,887
Derivative assets1,5961,349
Financial liabilities  
Deposits(1,455,328)(1,501,293)
Short-term borrowings(24,373)(29,300)
Notes payable(43,852)(45,953)
Accrued interest payable(1,201)(1,582)
Standby letters of credit(180)(263)
Derivative liabilities(1,596) 
Derivative liabilities(1,596)(1,349)
Carrying Value
  
Financial assets  
Cash and cash equivalents66,719135,964
Interest-bearing deposits with Banks250250
Securities available-for-sale321,322322,512
Securities held-to-maturity54,88248,975
Federal Home Loan Bank stock5,0995,099
Loans held for sale13,9838,920
Loans, net1,125,3871,111,666
Accrued interest receivable4,6844,887
Derivative assets1,5961,349
Financial liabilities  
Deposits(1,455,328)(1,498,821)
Short-term borrowings(24,373)(29,300)
Notes payable(48,727)(48,739)
Accrued interest payable(1,201)(1,582)
Standby letters of credit(180)(263)
Derivative liabilities(1,596) 
Derivative liabilities (1,349)
Quoted Prices in Active Markets for Identical Assets (Level 1)
  
Financial assets  
Cash and cash equivalents66,719135,964
Financial liabilities  
Deposits(1,081,198)(1,092,434)
Significant Other Observable Inputs (Level 2)
  
Financial assets  
Cash and cash equivalents0 
Interest-bearing deposits with Banks250250
Securities available-for-sale320,262321,452
Securities held-to-maturity56,74650,643
Loans held for sale13,9838,920
Loans, net1,111,9531,093,529
Accrued interest receivable4,6844,887
Derivative assets1,5961,349
Financial liabilities  
Deposits(374,130)(408,859)
Short-term borrowings(24,373)(29,300)
Notes payable(21,497)(27,477)
Accrued interest payable(1,201)(1,582)
Standby letters of credit(180)(263)
Derivative liabilities(1,596) 
Derivative liabilities (1,349)
Significant Unobservable Inputs (Level 3)
  
Financial assets  
Cash and cash equivalents0 
Interest-bearing deposits with Banks0 
Securities available-for-sale1,0601,060
Loans, net17,11119,259
Financial liabilities  
Notes payable$ (22,355)$ (18,476)