Loans (Schedule of Accounts, Notes, Loans and Financing Receivable) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,622,129	$ 1,454,172
Less:
Net deferred costs	2,100	1,900
Allowance for loan loss	(16,319)	(10,942)
Loans and Leases Receivable, Net Amount, Total	(1,604,136)	(1,445,109)
Total loans, net of deferred costs	$ 1,620,455	$ 1,456,051
Deferred loan fees and premiums, percentage	(0.10%)	0.13%
Loans and leases receivable, allowance percentage	(1.09%)	(0.75%)
Net Deferred Costs and Allowance for Loan Losses, Net	$ 1,604,136	$ 1,445,109
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,492,745	$ 1,454,172	$ 1,387,186
Percentage status of loan in portfolio	100.00%	100.00%
Less:
Net deferred costs	$ 2,072	$ 1,879
Allowance for loan loss	16,319	10,942
Loans and Leases Receivable, Net Amount, Total	(14,247)	(9,063)
Total loans, net of deferred costs	$ 1,478,498	$ 1,445,109
Deferred loan fees and premiums, percentage	0.14%	0.13%
Loans and leases receivable, allowance percentage	(1.09%)	(0.75%)
Non Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 125,638	$ 0
Less:
Net deferred costs	$ (3,746)	0
Purchased credit impaired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage status of loan in portfolio	0.10%
Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,993	2,424	2,772
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	996,111	964,777
Commercial real estate \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 996,111	$ 964,777	917,948
Percentage status of loan in portfolio	66.73%	66.34%
Commercial real estate \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,593	$ 1,738	1,725
Residential first mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	165,670	167,710
Less:
Allowance for loan loss	$ (16,300)	(10,900)
Loans and leases receivable, allowance percentage	49.14%
Residential first mortgages \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 165,670	$ 167,710	156,670
Percentage status of loan in portfolio	11.10%	11.53%
Residential first mortgages \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0	$ 0	451
Residential rentals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	132,590	123,601
Residential rentals \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 132,590	$ 123,601	121,990
Percentage status of loan in portfolio	8.88%	8.50%
Residential rentals \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0	$ 295	327
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 37,580	$ 34,133
Percentage status of loan in portfolio	2.50%	2.40%
Construction and land development \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 37,580	$ 34,133	35,662
Percentage status of loan in portfolio	2.52%	2.35%
Construction and land development \| Purchased credit impaired \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0	$ 0	0
Home equity and second mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 33,900	$ 36,100
Percentage status of loan in portfolio	2.30%	2.50%
Home equity and second mortgages \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 33,873	$ 36,098
Percentage status of loan in portfolio	2.27%	2.48%
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 63,249	$ 63,102
Percentage status of loan in portfolio	4.20%	4.30%
Commercial loans \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 63,249	$ 63,102	67,617
Percentage status of loan in portfolio	4.24%	4.34%
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,117	$ 1,104
Consumer loans \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,117	$ 1,104	967
Percentage status of loan in portfolio	0.07%	0.08%
Commercial equipment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 62,555	$ 63,647
Percentage status of loan in portfolio	4.20%	4.40%
Commercial equipment \| Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 62,555	$ 63,647	$ 50,466
Percentage status of loan in portfolio	4.19%	4.38%
U.S. SBA PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 129,384	$ 0
U.S. SBA PPP Loans \| Non Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 129,384	$ 0

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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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