Loans, Receivables Past Due (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	$ 756	$ 2,605
60-89 Days Past Due	256	168
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	4,647	5,316
Total Past Due	5,659	8,089
Current	793,337	780,616
Total Loans	798,996	788,705
Commercial [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	0	219
60-89 Days Past Due	0	0
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	15	52
Total Past Due	15	271
Current	124,489	125,921
Total Loans	124,504	126,192
Commercial real estate, portfolio [Member] | Construction and land development [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	265	417
60-89 Days Past Due	0	0
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	916	1,208
Total Past Due	1,181	1,625
Current	42,205	47,187
Total Loans	43,386	48,812
Commercial real estate, portfolio [Member] | Commercial real estate [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	0	1,120
60-89 Days Past Due	0	0
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	1,712	1,526
Total Past Due	1,712	2,646
Current	360,256	352,787
Total Loans	361,968	355,433
Residential real estate, portfolio [Member] | Residential [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	375	672
60-89 Days Past Due	255	168
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	1,623	2,130
Total Past Due	2,253	2,970
Current	171,442	158,063
Total Loans	173,695	161,033
Residential real estate, portfolio [Member] | Home equity [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	107	144
60-89 Days Past Due	0	0
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	373	397
Total Past Due	480	541
Current	88,674	90,772
Total Loans	89,154	91,313
Consumer [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	9	33
60-89 Days Past Due	1	0
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	8	3
Total Past Due	18	36
Current	6,271	5,886
Total Loans	$ 6,289	$ 5,922