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Allowance for Loan Losses - Present impaired loans by portfolio segment (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	$ 2,092,000	$ 2,170,000
Related Allowance	5,000	5,000
Unpaid Principal Balance	2,280,000	2,287,000
Impaired Loans with Specific Allowance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	2,092,000	2,170,000
Related Allowance	617,000	633,000
Impaired Loans With No Specific Allowance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	0	0
Commercial | Commercial.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	2,087,000	2,165,000
Unpaid Principal Balance	2,254,000	2,260,000
Commercial | Commercial loans secured by Non-Owner Occupied real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	5,000	5,000
Unpaid Principal Balance	26,000	27,000
Commercial | Impaired Loans with Specific Allowance | Commercial.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	2,087,000	2,165,000
Related Allowance	612,000	628,000
Commercial | Impaired Loans with Specific Allowance | Commercial loans secured by Non-Owner Occupied real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	5,000	5,000
Related Allowance	5,000	5,000
Commercial | Impaired Loans With No Specific Allowance | Commercial.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	0	0
Commercial | Impaired Loans With No Specific Allowance | Commercial loans secured by Non-Owner Occupied real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	$ 0	$ 0

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

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