Loans And Allowance For Loan Losses (Narrative) (Details)	12 Months Ended
Dec. 31, 2020 USD ($) contract loan item	Dec. 31, 2019 USD ($) contract item
Financing Receivable, Modifications [Line Items]
Overdrafts reclassified as loans	$ 43,000	$ 86,000
Outstanding balances of related party loans	12,075,000	$ 12,682,000
New loans and advances from related party	3,326,000
Repayments from related party	$ 4,221,000
Loan modifications that would have been classified as TDRs \| contract	0	0
Loan modifications classified as TDRs \| contract	0	0
Outstanding commitments to disburse additional funds on TDR's \| item	0	0
Principal balance	$ 95,000,000
Number of loans modified \| loan	191
Modified Loans [Member]
Financing Receivable, Modifications [Line Items]
Principal balance	$ 7,060,000
Number of loans modified \| loan	4
Modified Loans One [Member]
Financing Receivable, Modifications [Line Items]
Principal balance	$ 6,800,000
Number of loans modified \| loan	3
Modified Loans Two [Member]
Financing Receivable, Modifications [Line Items]
Principal balance	$ 270,000
Number of loans modified \| loan	1
Covid-19 [Member] \| Loan Portfolio [Member] \| Modified Loans [Member]
Financing Receivable, Modifications [Line Items]
Percent of total loan portfolio	1.16%

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Outstanding commitments to disburse additional funds on TDR's

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Reflects the amount of new advances made to related parties in the form of loan and lease receivables.

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Amount of cash inflow from related parties which reduce the amount of loans and leases receivable due from related parties.

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Amount, before allowance for credit loss, of financing receivable.

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