Loans and Allowance for Loan Losses (Allowance For Loan Losses By Segment) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 5,456	$ 4,411	$ 4,411
Charge-Offs	(1,282)	(186)	(236)
Recoveries	150	240	504
Provision for (recovery of) loan losses	567	248	777
Ending Balance	4,891	4,713	5,456
Ending balance: Individually evaluated for impairment	249		962
Ending balance: collectively evaluated for impairment	4,642		4,494
Loans Ending Balance	638,790		607,315
Ending balance individually evaluated for impairment	7,341		8,559
Ending balance collectively evaluated for impairment	631,449		598,756
Construction and Farmland
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	583	332	332
Charge-Offs	0		0
Recoveries	6		266
Provision for (recovery of) loan losses	(202)		(15)
Ending Balance	387		583
Ending balance: Individually evaluated for impairment	0		0
Ending balance: collectively evaluated for impairment	387		583
Loans Ending Balance	62,075		61,926
Ending balance individually evaluated for impairment	255		280
Ending balance collectively evaluated for impairment	61,820		61,646
Residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,788	1,754	1,754
Charge-Offs	(383)		(24)
Recoveries	55		28
Provision for (recovery of) loan losses	403		30
Ending Balance	1,863		1,788
Ending balance: Individually evaluated for impairment	88		119
Ending balance: collectively evaluated for impairment	1,775		1,669
Loans Ending Balance	235,682		229,784
Ending balance individually evaluated for impairment	3,754		4,044
Ending balance collectively evaluated for impairment	231,928		225,740
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,988	1,627	1,627
Charge-Offs	0		0
Recoveries	14		78
Provision for (recovery of) loan losses	(68)		283
Ending Balance	1,934		1,988
Ending balance: Individually evaluated for impairment	161		193
Ending balance: collectively evaluated for impairment	1,773		1,795
Loans Ending Balance	275,708		265,595
Ending balance individually evaluated for impairment	3,086		2,919
Ending balance collectively evaluated for impairment	272,622		262,676
Commercial - Non Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	919	570	570
Charge-Offs	(850)		(139)
Recoveries	39		100
Provision for (recovery of) loan losses	426		388
Ending Balance	534		919
Ending balance: Individually evaluated for impairment	0		650
Ending balance: collectively evaluated for impairment	534		269
Loans Ending Balance	44,907		33,086
Ending balance individually evaluated for impairment	237		1,316
Ending balance collectively evaluated for impairment	44,670		31,770
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	53	69	69
Charge-Offs	(5)		(33)
Recoveries	21		19
Provision for (recovery of) loan losses	(23)		(2)
Ending Balance	46		53
Ending balance: Individually evaluated for impairment	0		0
Ending balance: collectively evaluated for impairment	46		53
Loans Ending Balance	8,168		8,470
Ending balance individually evaluated for impairment	9		0
Ending balance collectively evaluated for impairment	8,159		8,470
All Other Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	97	29	29
Charge-Offs	(44)		(40)
Recoveries	15		13
Provision for (recovery of) loan losses	59		95
Ending Balance	127		97
Ending balance: Individually evaluated for impairment	0		0
Ending balance: collectively evaluated for impairment	127		97
Loans Ending Balance	12,250		8,454
Ending balance individually evaluated for impairment	0		0
Ending balance collectively evaluated for impairment	12,250		8,454
Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	28	$ 30	30
Provision for (recovery of) loan losses	(28)		(2)
Ending Balance	0		28
Ending balance: collectively evaluated for impairment	$ 0		$ 28

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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The balance of financing receivables that were collectively evaluated for impairment.

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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 of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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