Loans and Allowance for Loan Losses (Allowance For Loan Losses By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable Impaired [Line Items]
Beginning Balance	$ 7,096	$ 4,973	$ 4,973
Charge-Offs	(5)	(67)	(465)
Recoveries	66	578	1,131
Provision	599	(97)	1,457
Ending Balance	7,756	5,387	7,096
Ending balance: Individually evaluated for impairment	83		72
Ending balance: collectively evaluated for impairment	7,673		7,024
Ending balance	874,778		835,649
Ending balance individually evaluated for impairment	7,191		7,768
Ending balance collectively evaluated for impairment	867,587		827,881
Construction and Farmland
Financing Receivable Impaired [Line Items]
Beginning Balance	1,604	446	446
Charge-Offs			(119)
Recoveries	7		7
Provision	(34)		1,270
Ending Balance	1,577		1,604
Ending balance: collectively evaluated for impairment	1,577		1,604
Ending balance	61,249		58,390
Ending balance individually evaluated for impairment	34		105
Ending balance collectively evaluated for impairment	61,215		58,285
Residential
Financing Receivable Impaired [Line Items]
Beginning Balance	1,929	1,601	1,601
Charge-Offs			(20)
Recoveries	51		275
Provision	45		73
Ending Balance	2,025		1,929
Ending balance: Individually evaluated for impairment	83		72
Ending balance: collectively evaluated for impairment	1,942		1,857
Ending balance	269,441		269,742
Ending balance individually evaluated for impairment	3,717		3,869
Ending balance collectively evaluated for impairment	265,724		265,873
Commercial Real Estate
Financing Receivable Impaired [Line Items]
Beginning Balance	1,645	1,991	1,991
Charge-Offs			(155)
Recoveries			302
Provision	81		(493)
Ending Balance	1,726		1,645
Ending balance: collectively evaluated for impairment	1,726		1,645
Ending balance	340,707		334,661
Ending balance individually evaluated for impairment	3,291		3,632
Ending balance collectively evaluated for impairment	337,416		331,029
Commercial - Non Real Estate
Financing Receivable Impaired [Line Items]
Beginning Balance	1,374	565	565
Charge-Offs			(49)
Recoveries	2		498
Provision	335		360
Ending Balance	1,711		1,374
Ending balance: collectively evaluated for impairment	1,711		1,374
Ending balance	162,226		140,762
Ending balance individually evaluated for impairment	138		147
Ending balance collectively evaluated for impairment	162,088		140,615
Consumer
Financing Receivable Impaired [Line Items]
Beginning Balance	198	54	54
Charge-Offs			(83)
Recoveries	2		41
Provision	84		186
Ending Balance	284		198
Ending balance: collectively evaluated for impairment	284		198
Ending balance	30,485		21,321
Ending balance individually evaluated for impairment	11		15
Ending balance collectively evaluated for impairment	30,474		21,306
All Other Loans
Financing Receivable Impaired [Line Items]
Beginning Balance	346	120	120
Charge-Offs	(5)		(39)
Recoveries	4		8
Provision	(5)		257
Ending Balance	340		346
Ending balance: collectively evaluated for impairment	340		346
Ending balance	10,670		10,773
Ending balance collectively evaluated for impairment	10,670		10,773
Unallocated
Financing Receivable Impaired [Line Items]
Beginning Balance		$ 196	196
Provision	93		$ (196)
Ending Balance	93
Ending balance: collectively evaluated for impairment	$ 93

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

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