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Fair Value of Financial Instruments (Fair Value By Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks, Carrying Amount	$ 189,744	$ 146,673
Interest bearing deposits in banks, Carrying Amount	3,273	2,759
Investment securities - AFS, Carrying Amount	204,006	226,885
Restricted Bank stock, Carrying Amount	3,654	4,468
Loans, net, Carrying Amount	1,179,441	1,149,596
Short-term borrowed funds, carrying amount	51,454	49,160
Long-term borrowed funds, carrying amount	100,929	100,929
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	189,744	146,673
Interest bearing deposits in banks	3,273	2,759
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - AFS	190,357	213,625
Investment securities - HTM	49,831	49,442
Restricted Bank Stock	3,654	4,468
Accrued interest receivable	639	814
Deposits - non-maturity	1,242,479	1,194,140
Deposits - time deposits	228,025	231,241
Financial derivative	788	1,320
Short-term borrowed funds	51,454	49,160
Long-term borrowed funds	103,052	104,825
Accrued interest payable	364	391
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - AFS	13,649	13,260
Investment securities - HTM	27,781	28,170
Loans, net	1,161,197	1,150,186
Accrued interest receivable	5,354	5,427
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	189,744	146,673
Interest bearing deposits in banks	3,273	2,759
Investment securities - AFS	204,006	226,885
Investment securities - HTM	69,357	68,263
Restricted Bank Stock	3,654	4,468
Accrued interest receivable	5,993	6,241
Deposits - non-maturity	1,242,479	1,194,140
Deposits - time deposits	225,784	228,226
Financial derivative	788	1,320
Short-term borrowed funds	51,454	49,160
Long-term borrowed funds	100,929	100,929
Accrued interest payable	364	391
Loans, net, Carrying Amount	1,179,441	1,149,596
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	189,744	146,673
Interest bearing deposits in banks	3,273	2,759
Investment securities - AFS	204,006	226,885
Investment securities - HTM	77,612	77,612
Restricted Bank Stock	3,654	4,468
Loans, net	1,161,197	1,150,186
Accrued interest receivable	5,993	6,241
Deposits - non-maturity	1,242,479	1,194,140
Deposits - time deposits	228,025	231,241
Financial derivative	788	1,320
Short-term borrowed funds	51,454	49,160
Long-term borrowed funds	103,052	104,825
Accrued interest payable	$ 364	$ 391

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Includes disclosure of claims held for interest amounts due a company.

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Cash And Cash Equivalents Excluding Interest Bearing Deposits Fair Value Disclosure

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For banks and other depository institutions (including Federal Reserve Banks, if applicable): The fair value of Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits.

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Information on investments in correspondent bank stock

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Fair value portion of accrued expenses.

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For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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