Loans, Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 726,522	$ 716,321
Loan balance for reviewing, minimum	50,000
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	54,281	48,986
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,594	8,422
Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	54,052	58,546
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,038	3,530
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	311,393	315,281
Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	197,259	193,638
Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	49,478	48,225
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	29,585	30,449
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,842	9,244
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	632,823	611,939
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	48,210	42,586
Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,456	8,153
Pass [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	31,541	28,746
Pass [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,934	3,227
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	270,525	272,062
Pass [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	178,171	175,100
Pass [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	45,820	43,664
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	28,594	29,372
Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,572	9,029
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	26,145	29,605
Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,740	1,481
Special Mention [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	83	0
Special Mention [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,824	2,814
Special Mention [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	104	303
Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,127	14,790
Special Mention [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	8,987	8,343
Special Mention [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	927	1,413
Special Mention [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	342	362
Special Mention [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11	99
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	67,554	74,777
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,331	4,919
Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	55	269
Substandard [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	20,687	26,986
Substandard [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	28,741	28,429
Substandard [Member] | Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	10,101	10,195
Substandard [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,731	3,148
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	649	715
Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 259	$ 116