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Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Jun. 30, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Dec. 31, 2010
--- | --- | --- | --- | --- | --- | ---
Summary of Primary Segments of Loan Portfolio |  |  |  |  |  |
Individually evaluated for impairment | $ 3,576 |  | $ 3,870 |  |  |
Collectively evaluated for impairment | 696,407 |  | 659,867 |  |  |
Total Loans | 699,983 |  | 663,737 |  |  |
Specific reserve allocation | 987 |  | 968 |  |  |
General reserve allocation | 11,842 |  | 13,655 |  |  |
Total allowance for loan losses | 12,829 | 13,317 | 14,623 | 16,069 | 16,958 | 19,765
Commercial [Member] |  |  |  |  |  |
Summary of Primary Segments of Loan Portfolio |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |
Collectively evaluated for impairment | 107,982 |  | 83,124 |  |  |
Total Loans | 107,982 |  | 83,124 |  |  |
Specific reserve allocation |  |  |  |  |  |
General reserve allocation | 2,397 |  | 2,365 |  |  |
Total allowance for loan losses | 2,397 | 2,352 | 2,365 | 4,460 | 4,554 | 3,851
Commercial loans secured by real estate [Member] |  |  |  |  |  |
Summary of Primary Segments of Loan Portfolio |  |  |  |  |  |
Individually evaluated for impairment | 3,576 |  | 3,870 |  |  |
Collectively evaluated for impairment | 355,699 |  | 345,908 |  |  |
Total Loans | 359,275 |  | 349,778 |  |  |
Specific reserve allocation | 987 |  | 968 |  |  |
General reserve allocation | 6,884 |  | 8,432 |  |  |
Total allowance for loan losses | 7,871 | 8,378 | 9,400 | 8,492 | 9,227 | 12,717
Real estate-mortgage [Member] |  |  |  |  |  |
Summary of Primary Segments of Loan Portfolio |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |
Collectively evaluated for impairment | 215,869 |  | 212,663 |  |  |
Total Loans | 215,869 |  | 212,663 |  |  |
Specific reserve allocation |  |  |  |  |  |
General reserve allocation | 1,221 |  | 1,270 |  |  |
Total allowance for loan losses | 1,221 | 1,206 | 1,270 | 1,337 | 1,294 | 1,117
Consumer [Member] |  |  |  |  |  |
Summary of Primary Segments of Loan Portfolio |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  |  |
Collectively evaluated for impairment | 16,857 |  | 18,172 |  |  |
Total Loans | 16,857 |  | 18,172 |  |  |
Specific reserve allocation |  |  |  |  |  |
General reserve allocation | 150 |  | 174 |  |  |
Total allowance for loan losses | 150 | 155 | 174 | 196 | 193 | 206
Allocation for general risk [Member] |  |  |  |  |  |
Summary of Primary Segments of Loan Portfolio |  |  |  |  |  |
Specific reserve allocation |  |  |  |  |  |
General reserve allocation | 1,190 |  | 1,414 |  |  |
Total allowance for loan losses | $ 1,190 | $ 1,226 | $ 1,414 | $ 1,584 | $ 1,690 | $ 1,874

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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph e -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 116 -IssueDate 2006-05-01 -Chapter 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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