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Fair Value (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 Securities | Dec. 31, 2011 Securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Number of structured pooled trust preferred security for Level 3 assets |  | 1
Impaired loans, principal balance | $ 29,225 | $ 26,971
Impaired loans allowance | 1,852 | 1,493
Pooled SBA [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Securities transferred to the Level 1 Fair value |  | 3,437
Number of Pooled SBA securities, transferred from level 2 to level 1 | 0 | 2
Collateral Dependent Loans [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Impaired loans, principal balance | 12,535 | 22,384
Impaired loans allowance | 1,738 | 1,493
Impaired loans, additional provisions | $ 2,558 | $ 583

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- Definition Impaired financing receivable additional provisions. + References No definition available. + Details
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- Definition Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5212-111524 + Details
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