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Loans Loan Portfolio (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Schedule of Financing Receivables [Line Items]
Loans	$ 862,073	$ 869,284	$ 869,871
Percentage of loans receivable, by type	100.00%	100.00%	100.00%
Commercial Real Estate Portfolio Segment [Member]
Schedule of Financing Receivables [Line Items]
Loans	248,889	251,335	256,531
Percentage of loans receivable, by type	28.90%	28.90%	29.50%
Commercial Construction [Member]
Schedule of Financing Receivables [Line Items]
Loans	19,409	22,417	21,905
Percentage of loans receivable, by type	2.30%	2.60%	2.50%
Commercial Other [Member]
Schedule of Financing Receivables [Line Items]
Loans	85,130	81,183	83,703
Percentage of loans receivable, by type	9.90%	9.30%	9.60%
Municipal [Member]
Schedule of Financing Receivables [Line Items]
Loans	18,218	14,704	16,448
Percentage of loans receivable, by type	2.10%	1.70%	1.90%
Residential Term [Member]
Schedule of Financing Receivables [Line Items]
Loans	375,387	379,447	369,949
Percentage of loans receivable, by type	43.50%	43.70%	42.50%
Residential Construction [Member]
Schedule of Financing Receivables [Line Items]
Loans	7,617	6,459	6,528
Percentage of loans receivable, by type	0.90%	0.70%	0.80%
Home Equity [Member]
Schedule of Financing Receivables [Line Items]
Loans	92,374	99,082	100,099
Percentage of loans receivable, by type	10.70%	11.40%	11.50%
Consumer Portfolio Segment [Member]
Schedule of Financing Receivables [Line Items]
Loans	$ 15,049	$ 14,657	$ 14,708
Percentage of loans receivable, by type	1.70%	1.70%	1.70%

X

- Definition

Reflects the break down of the gross carrying amount of all categories of loans and leases held in the portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases as a percentage of total portfolio.

+ References

No definition available.

+ Details

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X

- 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 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 2: 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 3: 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.



Reference 4: 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 5: 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.

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