Loans And The Allowance For Credit Losses (Narrative) (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2015 USD ($) loan	Jun. 30, 2015 USD ($) loan	Dec. 31, 2014 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,203,655,000	$ 1,203,655,000	$ 1,182,334,000
Net deferred loan origination cost	748,000	748,000	734,000
Overdrawn deposit balances classified as loan balances	662,000	662,000	235,000
Allowance for loan losses	12,162,000	12,162,000	11,833,000
Past due loans	1,084,000	1,084,000	933,000
91 Days more past due and Accruing	0	0
Nonaccruing TDR's	$ 53,000	$ 53,000	63,000
Number of loans \| loan	1
Restructured TDR	$ 471,000
Number of well secured TDR's \| loan		5
Commitments to lend additional funds to borrowers	0	$ 0
Exposure threshold for loans subject to formal review		1,000,000
Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	454,114,000	454,114,000	469,529,000
Allowance for loan losses	3,043,000	3,043,000	3,038,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	438,622,000	438,622,000	412,447,000
Allowance for loan losses	5,299,000	5,299,000	5,209,000
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	210,458,000	210,458,000	177,597,000
Allowance for loan losses	2,925,000	2,925,000	2,583,000
Past due loans	144,000	144,000	49,000
Residential And Commerical Loans Serviced For Others [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	14,420,000	14,420,000	13,530,000
Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Past due loans	465,000	465,000	414,000
Non-Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Past due loans	619,000	619,000	519,000
Accruing [Member]
Financing Receivable, Recorded Investment [Line Items]
91 Days more past due and Accruing			0
Restructured [Member]
Financing Receivable, Recorded Investment [Line Items]
Past due loans	0	0	0
Additional Analysis [Member]
Financing Receivable, Recorded Investment [Line Items]
Allowance for loan losses	$ 694,000	$ 694,000	$ 1,230,000

Net deferred loan origination cost.

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Nonaccruing troubled debt restructuring.

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Number of well secured TDR's

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Restructured TDR during a specific period.

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Threshold for loans subject to formal review.

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Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Number of financing receivables that have been modified by troubled debt restructurings.

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Recorded investment in financing receivables that are 90 days or more past due and still accruing.

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Recorded Investment in financing receivables that are past due at the balance sheet date.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

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Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

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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.

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