Loans, Receivables Past Due (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	$ 2,195	$ 4,151
60-89 Days Past Due	1,963	2,724
90 Days + Past Due and Still Accruing	0	197
Non-Accrual Loans	7,995	13,523
Total Past Due	12,153	20,591
Current	795,916	804,167
Total Loans	808,069	824,758
Commercial [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	170	98
60-89 Days Past Due	128	99
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	1,095	1,820
Total Past Due	1,393	2,017
Current	127,453	132,149
Total Loans	128,846	134,166
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	0	1,086
60-89 Days Past Due	0	1,163
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	1,257	5,819
Total Past Due	1,257	8,066
Current	49,656	46,367
Total Loans	50,913	54,433
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	981	1,052
60-89 Days Past Due	1,596	471
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	1,996	2,115
Total Past Due	4,573	3,638
Current	349,868	348,323
Total Loans	354,441	351,961
Residential real estate, portfolio [Member] | Residential [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	719	1,519
60-89 Days Past Due	176	741
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	3,095	3,476
Total Past Due	3,990	5,735
Current	166,903	174,077
Total Loans	170,893	179,812
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	308	270
60-89 Days Past Due	13	243
90 Days + Past Due and Still Accruing	0	197
Non-Accrual Loans	551	244
Total Past Due	872	954
Current	94,650	95,241
Total Loans	95,522	96,195
Consumer [Member]
Analysis by portfolio segment of the entity's past due loans [Abstract]
30-59 Days Past Due	17	126
60-89 Days Past Due	50	7
90 Days + Past Due and Still Accruing	0	0
Non-Accrual Loans	1	49
Total Past Due	68	181
Current	7,386	8,010
Total Loans	$ 7,454	$ 8,191