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Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	$ 425,505	$ 422,794
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	412	1,411
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	211	0
Financing Receivable, Recorded Investment, Total Still Accruing	426,128	424,205
Financing Receivable, Recorded Investment, Nonaccrual Status	1,614	2,714
Loans and Leases Receivable, Gross, Carrying Amount	427,742	426,919	$ 423,191
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	50,840	52,387
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	3	49
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	50,843	52,436
Financing Receivable, Recorded Investment, Nonaccrual Status	38	43
Loans and Leases Receivable, Gross, Carrying Amount	50,881	52,479	47,925
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	43,959	43,111
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	43,959	43,111
Financing Receivable, Recorded Investment, Nonaccrual Status	45	583
Loans and Leases Receivable, Gross, Carrying Amount	44,004	43,694	41,592
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	46,427	46,372
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	46,427	46,372
Financing Receivable, Recorded Investment, Nonaccrual Status	0	230
Loans and Leases Receivable, Gross, Carrying Amount	46,427	46,602
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	45,799	45,264
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	45,799	45,264
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	45,799	45,264
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	117,811	110,467
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	117,811	110,467
Financing Receivable, Recorded Investment, Nonaccrual Status	1,521	1,520
Loans and Leases Receivable, Gross, Carrying Amount	119,332	111,987
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	210,037	202,103
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	210,037	202,103
Financing Receivable, Recorded Investment, Nonaccrual Status	1,521	1,750
Loans and Leases Receivable, Gross, Carrying Amount	211,558	203,853	201,449
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	66,705	68,579
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	312	1,105
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	211	0
Financing Receivable, Recorded Investment, Total Still Accruing	67,228	69,684
Financing Receivable, Recorded Investment, Nonaccrual Status	10	325
Loans and Leases Receivable, Gross, Carrying Amount	67,238	70,009
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	45,008	46,435
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	57	229
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	45,065	46,664
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	45,065	46,664
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	111,713	115,014
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	369	1,334
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	211	0
Financing Receivable, Recorded Investment, Total Still Accruing	112,293	116,348
Financing Receivable, Recorded Investment, Nonaccrual Status	10	325
Loans and Leases Receivable, Gross, Carrying Amount	112,303	116,673	117,863
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	8,956	10,179
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	40	28
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	8,996	10,207
Financing Receivable, Recorded Investment, Nonaccrual Status	0	13
Loans and Leases Receivable, Gross, Carrying Amount	$ 8,996	$ 10,220	$ 14,362

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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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