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Loans and Leases (Credit Quality Indicator Loan Categories) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Unearned lease revenue	$ 938	$ 903
Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	118,140	122,594
Commercial Real Estate: Non-Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	95,630	99,801
Commercial Real Estate: Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	125,976	130,558
Commercial Real Estate: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	3,196	4,654
Commercial Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	342,942	357,607
Consumer: Home Equity Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	35,456	36,631
Consumer: Home Equity Line Of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	46,850	47,282
Consumer: Auto Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	102,213	105,870
Consumer: Direct Finance Leases [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	16,418	15,452
Unearned lease revenue		900
Consumer: Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	7,025	5,634
Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	207,962	210,869
Residential: Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	175,453	167,164
Residential: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	18,767	17,770
Residential Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	194,220	184,934
Consumer And Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	402,182	395,803
Pass [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	110,927	115,585
Pass [Member] | Commercial Real Estate: Non-Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	88,576	92,016
Pass [Member] | Commercial Real Estate: Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	117,458	121,887
Pass [Member] | Commercial Real Estate: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	2,389	3,687
Pass [Member] | Commercial Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	319,350	333,175
Special mention [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	1,820	2,061
Special mention [Member] | Commercial Real Estate: Non-Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	1,090	1,360
Special mention [Member] | Commercial Real Estate: Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	1,890	2,065
Special mention [Member] | Commercial Real Estate: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	56	17
Special mention [Member] | Commercial Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	4,856	5,503
Substandard [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	5,393	4,948
Substandard [Member] | Commercial Real Estate: Non-Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	5,964	6,425
Substandard [Member] | Commercial Real Estate: Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	6,628	6,606
Substandard [Member] | Commercial Real Estate: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	751	950
Substandard [Member] | Commercial Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	18,736	18,929
Doubtful [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net
Doubtful [Member] | Commercial Real Estate: Non-Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net
Doubtful [Member] | Commercial Real Estate: Owner Occupied [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net
Doubtful [Member] | Commercial Real Estate: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net
Doubtful [Member] | Commercial Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net
Performing [Member] | Consumer: Home Equity Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	35,394	36,566
Performing [Member] | Consumer: Home Equity Line Of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	46,510	46,988
Performing [Member] | Consumer: Auto Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	102,121	105,854
Performing [Member] | Consumer: Direct Finance Leases [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	16,418	15,452
Performing [Member] | Consumer: Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	7,025	5,634
Performing [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	207,468	210,494
Performing [Member] | Residential: Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	174,487	166,158
Performing [Member] | Residential: Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	18,767	17,770
Performing [Member] | Residential Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	193,254	183,928
Performing [Member] | Consumer And Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	400,722	394,422
Non-performing [Member] | Consumer: Home Equity Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	62	65
Non-performing [Member] | Consumer: Home Equity Line Of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	340	294
Non-performing [Member] | Consumer: Auto Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	92	16
Non-performing [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	494	375
Non-performing [Member] | Residential: Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	966	1,006
Non-performing [Member] | Residential Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	966	1,006
Non-performing [Member] | Consumer And Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, net	$ 1,460	$ 1,381

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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