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Loans (Schedule of Accounts, Notes, Loans and Financing Receivable) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Dec. 31, 2019	Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,490,089		$ 1,454,172	$ 1,363,176
Less:
Net deferred costs (fees)	2,059		1,879
Total loans, net of deferred costs	1,492,148		1,456,051
Less: allowance for loan losses	(15,061)		(10,942)
Net loans	$ 1,477,087		$ 1,445,109
Percentage status of loan in portfolio	100.00%		100.00%
Deferred loan fees and premiums, percentage	0.14%	0.13%
Loans and leases receivable, allowance percentage	(1.01%)		(0.75%)
PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 2,125		$ 2,424	3,227
Less:
Total loans, net of deferred costs	2,125		2,424
Net loans	$ 2,125		2,424
Percentage status of loan in portfolio	0.12%
All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,487,964		1,451,748
Less:
Net deferred costs (fees)	2,059		1,879
Total loans, net of deferred costs	1,490,023		1,453,627
Less: allowance for loan losses	(15,061)		(10,942)
Net loans	1,474,962		1,442,685
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 977,678		$ 964,777	891,165
Less:
Percentage status of loan in portfolio	65.61%		66.34%
Commercial Real Estate Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,730		$ 1,738	1,750
Commercial Real Estate Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	975,948		963,039
Residential First Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	170,795		167,710	156,653
Less:
Less: allowance for loan losses	$ (15,100)		$ (10,900)
Percentage status of loan in portfolio	11.46%		11.53%
Residential First Mortgages Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0		$ 0	468
Residential First Mortgages Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	170,795		167,710
Residential Rentals Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 133,016		$ 123,601	124,518
Less:
Percentage status of loan in portfolio	8.93%		8.50%
Residential Rentals Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0		$ 295	886
Residential Rentals Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	133,016		123,306
Construction And Land Development Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 38,627		$ 34,133	32,798
Less:
Percentage status of loan in portfolio	2.59%		2.35%
Construction And Land Development Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 0		$ 0	0
Construction And Land Development Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	38,627		34,133
Home Equity And Second Mortgages Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 35,937		$ 36,098
Less:
Percentage status of loan in portfolio	2.41%		2.48%
Home Equity And Second Mortgages Portfolio Segment [Member] \| PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 395		$ 391
Home Equity And Second Mortgages Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	35,542		35,707
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 70,971		$ 63,102	70,725
Less:
Percentage status of loan in portfolio	4.76%		4.34%
Commercial Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 70,971		$ 63,102
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,134		$ 1,104	851
Less:
Percentage status of loan in portfolio	0.08%		0.08%
Consumer Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,134		$ 1,104
Commercial Equipment Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 61,931		$ 63,647	$ 49,720
Less:
Percentage status of loan in portfolio	4.16%		4.38%
Commercial Equipment Portfolio Segment [Member] \| All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 61,931		$ 63,647