Loans Past Due Analysis (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	$ 399,637	$ 376,959
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	2,855	2,485
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	73
Financing Receivable, Recorded Investment, Total Still Accruing	402,492	379,517
Financing Receivable, Recorded Investment, Nonaccrual Status	1,117	4,261
Loans and Leases Receivable, Gross, Carrying Amount	403,609	383,778
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	54,106	57,558
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	168	167
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	54,274	57,725
Financing Receivable, Recorded Investment, Nonaccrual Status	55	55
Loans and Leases Receivable, Gross, Carrying Amount	54,329	57,780
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	36,483	34,883
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	210	14
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	36,693	34,897
Financing Receivable, Recorded Investment, Nonaccrual Status	605	1,582
Loans and Leases Receivable, Gross, Carrying Amount	37,298	36,479
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	51,832	54,214
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	201	861
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	52,033	55,075
Financing Receivable, Recorded Investment, Nonaccrual Status	263	1,027
Loans and Leases Receivable, Gross, Carrying Amount	52,296	56,102
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	139,710	118,389
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	139,710	118,389
Financing Receivable, Recorded Investment, Nonaccrual Status	0	429
Loans and Leases Receivable, Gross, Carrying Amount	139,710	118,818
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	191,542	172,603
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	201	861
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	191,743	173,464
Financing Receivable, Recorded Investment, Nonaccrual Status	263	1,456
Loans and Leases Receivable, Gross, Carrying Amount	192,006	174,920
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	64,713	56,191
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	1,736	745
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	69
Financing Receivable, Recorded Investment, Total Still Accruing	66,449	57,005
Financing Receivable, Recorded Investment, Nonaccrual Status	40	866
Loans and Leases Receivable, Gross, Carrying Amount	66,489	57,871
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	40,503	42,935
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	495	598
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	40,998	43,533
Financing Receivable, Recorded Investment, Nonaccrual Status	154	302
Loans and Leases Receivable, Gross, Carrying Amount	41,152	43,835
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	105,216	99,126
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	2,231	1,343
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	69
Financing Receivable, Recorded Investment, Total Still Accruing	107,447	100,538
Financing Receivable, Recorded Investment, Nonaccrual Status	194	1,168
Loans and Leases Receivable, Gross, Carrying Amount	107,641	101,706
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	12,290	12,789
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	45	100
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	4
Financing Receivable, Recorded Investment, Total Still Accruing	12,335	12,893
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 12,335	$ 12,893