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Loans, Allowance For Loan Losses And OREO (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) contract loan item	Jun. 30, 2019 contract	Jun. 30, 2020 USD ($) contract loan item	Jun. 30, 2019 contract	Dec. 31, 2019 USD ($) contract item	Dec. 31, 2018 USD ($)
Financing Receivable, Modifications [Line Items]
Loan modifications that would have been classified as TDRs | contract	0	0	0	0
Loan modifications classified as TDRs | contract	0	0	0	0
Outstanding commitments to disburse additional funds on TDR's | contract			0		0
Other real estate owned	$ 1,616		$ 1,616		$ 2,339	$ 2,430
Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of real estate properties held | item	1		1		4
Other real estate owned	$ 18		$ 18		$ 325
Covid-19 [Member] | Loan Portfolio [Member]
Financing Receivable, Modifications [Line Items]
Principal Balance	94,504,000		$ 94,504,000
Percent of total loan portfolio			15.01%
Percentage of deferral loans with 3 month deferrals			33.68%
Covid-19 [Member] | Loan Portfolio [Member] | Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Principal Balance	$ 91,821,000		$ 91,821,000
Number of loans modified | loan	164		164
Percent of total loan portfolio			14.58%
Covid-19 [Member] | Loan Portfolio [Member] | Retail Loan [Member]
Financing Receivable, Modifications [Line Items]
Principal Balance	$ 2,683,000		$ 2,683,000
Number of loans | loan	20		20
Percent of total loan portfolio			0.43%

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