Loans and Allowance for Loan Losses (Details 7) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
30-89 Days Past Due and Accruing	$ 6,594	$ 8,158
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	6,005	7,882
Total Past Due	12,599	16,040
Current Loans	264,392	251,725
Total Loans	276,991	267,765
Commercial Real Estate Owner Occupied [Member]
30-89 Days Past Due and Accruing	2,738	4,791
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	956	63
Total Past Due	3,694	4,854
Current Loans	54,731	58,145
Total Loans	58,425	62,999
Commercial Real Estate All Other [Member]
30-89 Days Past Due and Accruing	636	497
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	1,913	2,500
Total Past Due	2,549	2,997
Current Loans	64,198	60,061
Total Loans	66,747	63,058
Consumer Real Estate Mortgage [Member]
30-89 Days Past Due and Accruing	1,858	1,163
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	616	3,641
Total Past Due	2,474	4,804
Current Loans	68,721	65,739
Total Loans	71,195	70,543
Construction and Land Development [Member]
30-89 Days Past Due and Accruing	100	103
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	53	1,622
Total Past Due	153	1,725
Current Loans	38,404	29,306
Total Loans	38,557	31,031
Commercial and Industrial Loans [Member]
30-89 Days Past Due and Accruing	1,227	1,578
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	2,467	42
Total Past Due	3,694	1,620
Current Loans	36,446	35,838
Total Loans	40,140	37,458
Consumer and Other Loans [Member]
30-89 Days Past Due and Accruing	35	26
Past Due 90 Days or More and Accruing	0	0
Nonaccrual	0	14
Total Past Due	35	40
Current Loans	1,892	2,636
Total Loans	$ 1,927	$ 2,676