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Loans and Allowance for Loan Losses (Details 7) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 Contract | Mar. 31, 2012 Contract
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 3 | 7
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | $ 2,943,000 | $ 6,020,000
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 2,943,000 | 6,016,000
Commercial and industrial [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 1 | 3
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 875,000 | 583,000
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 875,000 | 580,000
Vacant land, land development and residential construction [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 0 | 0
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 0 | 0
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 0 | 0
Real estate - owner occupied [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 0 | 3
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 0 | 1,046,000
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 0 | 1,045,000
Real estate - non-owner occupied [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 2 | 1
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 2,068,000 | 4,391,000
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 2,068,000 | 4,391,000
Real estate - multi-family and residential rental [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 0 | 0
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 0 | 0
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 0 | 0
Total commercial [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 3 | 7
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 2,943,000 | 6,020,000
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 2,943,000 | 6,016,000
Home equity and other [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 0 | 0
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 0 | 0
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 0 | 0
1 - 4 family mortgages [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 0 | 0
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 0 | 0
Financing Receivable Modification, Post-Modification Recorded Principal Balance | 0 | 0
Total retail [Member] |  |
Loans modified as troubled debt restructurings |  |
Financing Receivable Modification, Number of Contracts | 0 | 0
Financing Receivable Modification, Pre-Modification Recorded Principal Balance | 0 | 0
Financing Receivable Modification, Post-Modification Recorded Principal Balance | $ 0 | $ 0

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