Fair Value Measurements, Measured On A Recurring And Nonrecurring Basis (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Impaired loans, estimated selling cost	$ 458,000	$ 424,000
Recurring [Member]
Assets [Abstract]
Equity securities	703,000	701,000
Available for sale securities [Abstract]
U.S. Agency Securities	78,436,000	84,863,000
U.S. Treasury securities	28,257,000	27,661,000
Obligations of state and political subdivisions	83,527,000	61,455,000
Corporate obligations	4,321,000	3,328,000
Mortgage-backed securities in government sponsored entities	77,819,000	63,399,000
Liabilities [Abstract]
Interest Rate Swaps	566,000
Recurring [Member] \| Level I [Member]
Assets [Abstract]
Equity securities	703,000	701,000
Available for sale securities [Abstract]
U.S. Agency Securities	0	0
U.S. Treasury securities	28,257,000	27,661,000
Obligations of state and political subdivisions	0	0
Corporate obligations	0	0
Mortgage-backed securities in government sponsored entities	0	0
Liabilities [Abstract]
Interest Rate Swaps	0
Recurring [Member] \| Level II [Member]
Assets [Abstract]
Equity securities	0	0
Available for sale securities [Abstract]
U.S. Agency Securities	78,436,000	84,863,000
U.S. Treasury securities	0	0
Obligations of state and political subdivisions	83,527,000	61,455,000
Corporate obligations	4,321,000	3,328,000
Mortgage-backed securities in government sponsored entities	77,819,000	63,399,000
Liabilities [Abstract]
Interest Rate Swaps	566,000
Recurring [Member] \| Level III [Member]
Assets [Abstract]
Equity securities	0	0
Available for sale securities [Abstract]
U.S. Agency Securities	0	0
U.S. Treasury securities	0	0
Obligations of state and political subdivisions	0	0
Corporate obligations	0	0
Mortgage-backed securities in government sponsored entities	0	0
Liabilities [Abstract]
Interest Rate Swaps	0
Nonrecurring [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Impaired Loans	4,056,000	3,860,000
Other real estate owned	2,746,000	3,299,000
Nonrecurring [Member] \| Level I [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Impaired Loans	0	0
Other real estate owned	0	0
Nonrecurring [Member] \| Level II [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Impaired Loans	0	0
Other real estate owned	0	0
Nonrecurring [Member] \| Level III [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Impaired Loans	4,056,000	3,860,000
Other real estate owned	$ 2,746,000	$ 3,299,000

No definition available.

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- References

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Refers to the estimated selling cost of impaired loans excluded from calculation of fair value.

+ References

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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. This item represents bonds or similar securities issued by state, city, province, or local governments or their agencies in either the United States or a foreign country. Debt securities issued by state governments or provinces may include bond issuances of US state or foreign authorities. Debt securities issued by political subdivisions or US states may include debt issuances by county, borough, city, or municipal governments.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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-Publisher FASB
-Name Accounting Standards Codification
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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).

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 1A
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- Definition

Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
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Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

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