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Loans and Allowance for Loan Losses (Details 2) (USD $) | Mar. 31, 2013 | Dec. 31, 2012
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Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | $ 12,395,000 | $ 18,970,000
Commercial and industrial [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 1,802,000 | 1,677,000
Vacant land, land development, and residential construction [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 1,444,000 | 2,194,000
Real estate - owner occupied [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 1,256,000 | 2,087,000
Real estate - non-owner occupied [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 4,905,000 | 9,010,000
Real estate - multi-family and residential rental [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 1,085,000 | 2,021,000
Total commercial [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 10,492,000 | 16,989,000
Retail home equity and other [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 838,000 | 889,000
Retail 1-4 family mortgages [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | 1,065,000 | 1,092,000
Total retail [Member] |  |
Recorded principal balance of nonaccrual loans, including troubled debt restructurings |  |
Nonaccrual loans | $ 1,903,000 | $ 1,981,000

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- Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524 + Details
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