Loans and Allowance for Loan Losses, Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 449,679	$ 451,366
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	385,579	380,250
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	29,538	35,984
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	33,587	33,919
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	975	1,213
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	24,609	27,140
Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	19,854	21,704
Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,151	2,635
Commercial and Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,424	2,391
Commercial and Industrial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	180	410
Commercial and Industrial [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	192,589	193,005
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	157,400	152,483
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	17,539	21,455
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	17,650	19,067
Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Commercial Real Estate [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Construction and Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	39,914	40,045
Construction and Land [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	35,764	35,871
Construction and Land [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Construction and Land [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	4,014	4,038
Construction and Land [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	136	136
Construction and Land [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	12,795	9,561
Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	9,970	9,552
Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,818	0
Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	5	9
Consumer [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Consumer [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	135,393	136,590
Residential Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	120,213	120,451
Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	7,030	9,016
Residential Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	7,493	6,456
Residential Real Estate [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	657	667
Residential Real Estate [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	0
Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	44,379	45,025
Home Equity Line of Credit [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	42,376	40,189
Home Equity Line of Credit [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	0	2,878
Home Equity Line of Credit [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2,001	1,958
Home Equity Line of Credit [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	2	0
Home Equity Line of Credit [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 0	$ 0