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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 before allowance and after 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.

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Loans (Schedule of Accounts, Notes, Loans and Financing Receivable) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,363,176	$ 1,346,922	$ 1,279,655
Less:
Net deferred costs (fees)	1,261	1,183
Total loans, net of deferred costs	1,364,437	1,348,105
Less: allowance for loan losses	(10,846)	(10,976)
Loans and leases receivable net reported amount	$ 1,353,591	$ 1,337,129
Percentage status of loan in portfolio	100.00%	100.00%
Deferred loan fees and premiums, percentage	0.09%	0.09%
Loans and leases receivable, allowance percentage	(0.80%)	(0.81%)
PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 3,227	$ 3,220	3,871
Less:
Total loans, net of deferred costs	3,227	3,220
Loans and leases receivable net reported amount	$ 3,227	3,220
Percentage status of loan in portfolio	0.19%
All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,359,949	1,343,702
Less:
Net deferred costs (fees)	1,261	1,183
Total loans, net of deferred costs	1,361,210	1,344,885
Less: allowance for loan losses	(10,846)	(10,976)
Loans and leases receivable net reported amount	1,350,364	1,333,909
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 891,165	$ 878,016	817,576
Less:
Percentage status of loan in portfolio	65.37%	65.19%
Commercial Real Estate Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,750	$ 1,785	1,537
Commercial Real Estate Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	889,415	876,231
Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 156,653	$ 156,709	166,390
Less:
Percentage status of loan in portfolio	11.49%	11.63%
Residential First Mortgages Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 468	$ 466
Residential First Mortgages Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	156,185	156,243
Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 124,518	$ 124,298	129,026
Less:
Percentage status of loan in portfolio	9.13%	9.23%
Residential Rentals Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 886	$ 897	1,756
Residential Rentals Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	123,632	123,401
Construction And Land Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 32,798	$ 29,705	28,226
Less:
Percentage status of loan in portfolio	2.41%	2.21%
Construction And Land Development Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans			110
Construction And Land Development Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 32,798	$ 29,705
Home Equity And Second Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 36,746	$ 35,561
Less:
Percentage status of loan in portfolio	2.70%	2.64%
Home Equity And Second Mortgages Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 123	$ 72
Home Equity And Second Mortgages Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	36,623	35,489
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 70,725	$ 71,680	52,198
Less:
Percentage status of loan in portfolio	5.19%	5.32%
Commercial Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 70,725	$ 71,680
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 851	$ 751	853
Less:
Percentage status of loan in portfolio	0.06%	0.06%
Consumer Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 851	$ 751
Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 49,720	$ 50,202	$ 45,905
Less:
Percentage status of loan in portfolio	3.65%	3.73%
Commercial Equipment Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 49,720	$ 50,202