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Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	$ 422,794	$ 399,637
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	1,411	2,855
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	424,205	402,492
Financing Receivable, Recorded Investment, Nonaccrual Status	2,714	1,117
Loans and Leases Receivable, Gross, Carrying Amount	426,919	403,609
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	52,387	54,106
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	49	168
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	52,436	54,274
Financing Receivable, Recorded Investment, Nonaccrual Status	43	55
Loans and Leases Receivable, Gross, Carrying Amount	52,479	54,329
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	43,111	36,483
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	210
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	43,111	36,693
Financing Receivable, Recorded Investment, Nonaccrual Status	583	605
Loans and Leases Receivable, Gross, Carrying Amount	43,694	37,298
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	46,372	51,832
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	201
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	46,372	52,033
Financing Receivable, Recorded Investment, Nonaccrual Status	230	263
Loans and Leases Receivable, Gross, Carrying Amount	46,602	52,296
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	155,731	139,710
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	155,731	139,710
Financing Receivable, Recorded Investment, Nonaccrual Status	1,520	0
Loans and Leases Receivable, Gross, Carrying Amount	157,251	139,710
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	202,103	191,542
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	201
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	202,103	191,743
Financing Receivable, Recorded Investment, Nonaccrual Status	1,750	263
Loans and Leases Receivable, Gross, Carrying Amount	203,853	192,006
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	68,579	64,713
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	1,105	1,736
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	69,684	66,449
Financing Receivable, Recorded Investment, Nonaccrual Status	325	40
Loans and Leases Receivable, Gross, Carrying Amount	70,009	66,489
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	46,435	40,503
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	229	495
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	46,664	40,998
Financing Receivable, Recorded Investment, Nonaccrual Status	0	154
Loans and Leases Receivable, Gross, Carrying Amount	46,664	41,152
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	115,014	105,216
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	1,334	2,231
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	116,348	107,447
Financing Receivable, Recorded Investment, Nonaccrual Status	325	194
Loans and Leases Receivable, Gross, Carrying Amount	116,673	107,641
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	10,179	12,290
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	28	45
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	10,207	12,335
Financing Receivable, Recorded Investment, Nonaccrual Status	13	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 10,220	$ 12,335

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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