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Loans, Troubled Debt Restructurings Segregated by Class (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Financing Receivable, Modifications [Line Items] |  |
Number of troubled debt restructuring that occurred during the period | 40 | 39
Post-modification outstanding balance | $ 8,687 | $ 23,022
Net charge-offs resulting from modification | 0 | (1)
Defaulted restructured loans, number of loans | 7 | 10
Defaulted Restructured loans, recorded investment | 427 | 6,862
Commercial Construction [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of troubled debt restructuring that occurred during the period | 5 | 7
Post-modification outstanding balance | 557 | 3,457
Net charge-offs resulting from modification | 0 | 0
Defaulted restructured loans, number of loans |  | 2
Defaulted Restructured loans, recorded investment |  | 3,913
Commercial Secured by Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of troubled debt restructuring that occurred during the period | 11 | 19
Post-modification outstanding balance | 4,506 | 17,497
Net charge-offs resulting from modification | 0 | 0
Defaulted restructured loans, number of loans | 1 | 2
Defaulted Restructured loans, recorded investment | 344 | 1,669
Commercial Other [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of troubled debt restructuring that occurred during the period | 23 | 13
Post-modification outstanding balance | 3,233 | 2,068
Net charge-offs resulting from modification | 0 | (1)
Defaulted restructured loans, number of loans | 6 | 6
Defaulted Restructured loans, recorded investment | 83 | 1,280
Real Estate Mortgage [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of troubled debt restructuring that occurred during the period | 1 |
Post-modification outstanding balance | 391 |
Net charge-offs resulting from modification | $ 0 |

X
- Definition Amount of investment in financing receivables (after modification) modified by troubled debt restructurings that occurred during the period. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the current reporting period and for which there was a payment default. + References No definition available. + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the current reporting period, for which there was a payment default. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings during the period + References No definition available. + Details
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- Details
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554 + Details
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