Loan Portfolio, Past Due (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Past due loans by class of loans [Abstract]
30-59 Days Past Due	$ 1,815	$ 2,264
60-89 Days Past Due	405	1,091
90 Days Or Greater	6,700	10,241
Total Past Due	8,920	13,596
Current	707,186	695,881
Total Loans	716,106	709,477
Non-accrual	20,525	21,664
Past due 90 days or more and still accruing	636	1,044
Interest on non-accrual loans foregone	839	1,350
Real estate loans, Construction [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	174	0
60-89 Days Past Due	0	108
90 Days Or Greater	935	2,043
Total Past Due	1,109	2,151
Current	36,046	48,067
Total Loans	37,155	50,218
Non-accrual	2,629	2,861
Past due 90 days or more and still accruing	400	780
Real estate loans, Secured by farmland [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	0	415
60-89 Days Past Due	0	0
90 Days Or Greater	0	0
Total Past Due	0	415
Current	11,504	11,461
Total Loans	11,504	11,876
Real estate loans, Secured by 1 - 4 family residential [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	940	1,625
60-89 Days Past Due	396	568
90 Days Or Greater	1,604	1,910
Total Past Due	2,940	4,103
Current	267,046	256,517
Total Loans	269,986	260,620
Non-accrual	9,768	8,761
Past due 90 days or more and still accruing	227	228
Other real estate loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	576	197
60-89 Days Past Due	0	361
90 Days Or Greater	4,068	6,112
Total Past Due	4,644	6,670
Current	256,451	248,260
Total Loans	261,095	254,930
Non-accrual	6,236	7,866
Past due 90 days or more and still accruing	0	0
Commercial loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	118	0
60-89 Days Past Due	0	44
90 Days Or Greater	55	144
Total Past Due	173	188
Current	123,112	118,385
Total Loans	123,285	118,573
Non-accrual	1,862	2,146
Past due 90 days or more and still accruing	0	34
Consumer loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	7	27
60-89 Days Past Due	9	10
90 Days Or Greater	38	32
Total Past Due	54	69
Current	13,027	13,191
Total Loans	13,081	13,260
Non-accrual	30	30
Past due 90 days or more and still accruing	$ 9	$ 2