Fair Value Measurements (Fair Value Measurements by Level of Valuation Inputs) (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	$ 358,309,000	$ 286,415,000
Other real estate owned	110,000	0
Equity securities	1,111,000	1,091,000
Impaired loans	6,722,000	5,189,000
Obligations of U.S. Government Agencies and Corporations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	40,972,000	22,949,000
Obligations of State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	9,972,000	8,282,000
Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	35,249,000	11,523,000
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	358,309,000	286,415,000
Interest rate swaps, assets	435,000
Interest rate swaps, liabilities		57,000
Fair Value, Measurements, Recurring [Member] \| Obligations of U.S. Government Agencies and Corporations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	40,972,000	22,949,000
Fair Value, Measurements, Recurring [Member] \| Obligations of State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	9,972,000	8,282,000
Fair Value, Measurements, Recurring [Member] \| Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	1,111,000	1,091,000
Fair Value, Measurements, Recurring [Member] \| Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	35,249,000	11,523,000
Fair Value, Measurements, Recurring [Member] \| Mortgage-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	272,116,000	243,661,000
Fair Value, Measurements, Recurring [Member] \| (Level 1) Quoted Prices in Active Markets for Identical Assets [Member] \| Equity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	1,111,000	1,091,000
Fair Value, Measurements, Recurring [Member] \| (Level 2) Significant Other Observable Inputs [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	353,789,000	284,415,000
Interest rate swaps, assets	435,000
Interest rate swaps, liabilities		57,000
Fair Value, Measurements, Recurring [Member] \| (Level 2) Significant Other Observable Inputs [Member] \| Obligations of U.S. Government Agencies and Corporations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	40,972,000	22,949,000
Fair Value, Measurements, Recurring [Member] \| (Level 2) Significant Other Observable Inputs [Member] \| Obligations of State and Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	9,972,000	8,282,000
Fair Value, Measurements, Recurring [Member] \| (Level 2) Significant Other Observable Inputs [Member] \| Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	30,729,000	9,523,000
Fair Value, Measurements, Recurring [Member] \| (Level 2) Significant Other Observable Inputs [Member] \| Mortgage-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	272,116,000	243,661,000
Fair Value, Measurements, Recurring [Member] \| (Level 3) Significant Other Unobservable Inputs [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	4,520,000	2,000,000
Fair Value, Measurements, Recurring [Member] \| (Level 3) Significant Other Unobservable Inputs [Member] \| Corporate Debt Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities available for sale	4,520,000	2,000,000
Fair Value, Measurements, Recurring [Member] \| Mortgage Servicing Rights [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage servicing rights	128,000	158,000
Fair Value, Measurements, Recurring [Member] \| Mortgage Servicing Rights [Member] \| (Level 3) Significant Other Unobservable Inputs [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage servicing rights	$ 128,000	158,000
Measured at Fair Value on a Non-Recurring Basis [Member] \| Impaired Loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans		84,000
Measured at Fair Value on a Non-Recurring Basis [Member] \| Impaired Loans [Member] \| (Level 3) Significant Other Unobservable Inputs [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impaired loans		$ 84,000

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of investment in marketable security.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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