Loans (Schedule of Accounts, Notes, Loans and Financing Receivable) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,150,044	$ 1,088,982
Less:
Deferred loan fees and premiums	(1,086)	(397)
Allowance for loan losses	10,515	9,860
Loans and leases receivable adjustments	9,429	9,463
Loans and leases receivable net reported amount	$ 1,140,615	$ 1,079,519
Percentage status of loan in portfolio	100.00%	100.00%
Loans and leases receivable, allowance percentage	(0.09%)	(0.04%)
Loans and leases receivable, allowance percentage	0.91%	0.91%
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 727,314	$ 667,105
Less:
Percentage status of loan in portfolio	63.25%	61.25%
Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 170,374	$ 171,004
Less:
Percentage status of loan in portfolio	14.81%	15.70%
Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 110,228	$ 101,897
Less:
Percentage status of loan in portfolio	9.58%	9.36%
Construction And Land Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 27,871	$ 36,934
Less:
Percentage status of loan in portfolio	2.42%	3.39%
Home Equity And Second Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 21,351	$ 21,399
Less:
Percentage status of loan in portfolio	1.86%	1.97%
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 56,417	$ 50,484
Less:
Percentage status of loan in portfolio	4.91%	4.64%
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 573	$ 422
Less:
Percentage status of loan in portfolio	0.05%	0.04%
Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 35,916	$ 39,737
Less:
Percentage status of loan in portfolio	3.12%	3.65%

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Percentage of allowance to cover probable credit losses on loans and leases.

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Percentage status of loan.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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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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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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