Loans and Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Loans and Leases Receivable, Gross, Carrying Amount	$ 272,550	$ 276,991
Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	126,943	125,172
Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	70,260	71,195
Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	33,220	38,557
Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	40,302	40,140
Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	1,825	1,927
Pass [Member]
Loans and Leases Receivable, Gross, Carrying Amount	236,905	244,460
Pass [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	113,593	111,313
Pass [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	56,720	57,959
Pass [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	31,700	36,802
Pass [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	33,067	36,482
Pass [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	1,825	1,904
Special Mention [Member]
Loans and Leases Receivable, Gross, Carrying Amount	13,595	13,092
Special Mention [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,352	4,145
Special Mention [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	6,888	8,401
Special Mention [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	99	198
Special Mention [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	4,256	330
Special Mention [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0	18
Substandard [Member]
Loans and Leases Receivable, Gross, Carrying Amount	4,316	4,250
Substandard [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	472	501
Substandard [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	3,182	2,969
Substandard [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	472	607
Substandard [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	190	168
Substandard [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0	5
Substandard Impaired [Member]
Loans and Leases Receivable, Gross, Carrying Amount	15,558	15,189
Substandard Impaired [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	9,159	9,213
Substandard Impaired [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	3,121	1,866
Substandard Impaired [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	489	950
Substandard Impaired [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,789	3,160
Substandard Impaired [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0	0
Doubtful [Member]
Loans and Leases Receivable, Gross, Carrying Amount	2,176
Doubtful [Member] | Commercial Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	1,367
Doubtful [Member] | Consumer Real Estate Mortgage [Member]
Loans and Leases Receivable, Gross, Carrying Amount	349
Doubtful [Member] | Construction and Land Development [Member]
Loans and Leases Receivable, Gross, Carrying Amount	460
Doubtful [Member] | Commercial and Industrial Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	0
Doubtful [Member] | Consumer and Other Loans [Member]
Loans and Leases Receivable, Gross, Carrying Amount	$ 0