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Loans and Allowance for Loan Losses (Details 8) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 Contract | Sep. 30, 2011 Contract | Sep. 30, 2012 Contract | Sep. 30, 2011 Contract
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 4 | 0 | 5
Recorded Principal Balance | $ 0 | $ 1,049,000 | $ 0 | $ 1,208,000
Total commercial [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 4 | 0 | 5
Recorded Principal Balance | 0 | 1,049,000 | 0 | 1,208,000
Total commercial [Member] | Commercial and industrial [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 1 | 0 | 2
Recorded Principal Balance | 0 | 121,000 | 0 | 280,000
Total commercial [Member] | Vacant land, land development and residential construction [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Principal Balance | 0 | 0 | 0 | 0
Total commercial [Member] | Real estate - owner occupied [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Principal Balance | 0 | 0 | 0 | 0
Total commercial [Member] | Real estate - non-owner occupied [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 1 | 0 | 1
Recorded Principal Balance | 0 | 793,000 | 0 | 793,000
Total commercial [Member] | Real estate - multi-family and residential rental [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 2 | 0 | 2
Recorded Principal Balance | 0 | 135,000 | 0 | 135,000
Total retail [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Principal Balance | 0 | 0 | 0 | 0
Total retail [Member] | Home equity and other [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Principal Balance | 0 | 0 | 0 | 0
Total retail [Member] | 1 - 4 family mortgages [Member] |  |  |  |
Loans, modified as troubled debt restructurings within the previous twelve months, that became over 30 days past due |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0

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