Loan Portfolio, Past Due (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Past due loans by class of loans [Abstract]
30-59 Days Past Due	$ 2,560	$ 2,264
60-89 Days Past Due	161	1,091
90 Days Or Greater	8,626	10,241
Total Past Due	11,347	13,596
Current	695,652	695,881
Total Loans	706,999	709,477
Nonaccrual	20,376	21,664
Past due 90 days or more and still accruing	829	1,044
Interest on non-accrual loans foregone	595	1,350
Real estate loans, Construction [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	234	0
60-89 Days Past Due	0	108
90 Days Or Greater	945	2,043
Total Past Due	1,179	2,151
Current	46,861	48,067
Total Loans	48,040	50,218
Nonaccrual	2,780	2,861
Past due 90 days or more and still accruing	268	780
Real estate loans, Secured by farmland [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	608	415
60-89 Days Past Due	0	0
90 Days Or Greater	0	0
Total Past Due	608	415
Current	10,967	11,461
Total Loans	11,575	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	753	1,625
60-89 Days Past Due	117	568
90 Days Or Greater	2,847	1,910
Total Past Due	3,717	4,103
Current	254,361	256,517
Total Loans	258,078	260,620
Nonaccrual	9,086	8,761
Past due 90 days or more and still accruing	168	228
Other real estate loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	825	197
60-89 Days Past Due	0	361
90 Days Or Greater	4,726	6,112
Total Past Due	5,551	6,670
Current	252,914	248,260
Total Loans	258,465	254,930
Nonaccrual	6,346	7,866
Past due 90 days or more and still accruing	368	0
Commercial loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	10	0
60-89 Days Past Due	0	44
90 Days Or Greater	108	144
Total Past Due	118	188
Current	117,117	118,385
Total Loans	117,235	118,573
Nonaccrual	2,134	2,146
Past due 90 days or more and still accruing	25	34
Consumer loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	130	27
60-89 Days Past Due	44	10
90 Days Or Greater	0	32
Total Past Due	174	69
Current	13,432	13,191
Total Loans	13,606	13,260
Nonaccrual	30	30
Past due 90 days or more and still accruing	$ 0	$ 2