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Loans and ACL (Narrative) (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Threshold period of continuous performance to return loans to accrual status		6 months
Advance in connection with impaired loans		$ 0
Loans and Leases Receivable, Net of Deferred Income		1,334,402,000		$ 1,264,173,000
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan		$ 1.0000		1.0000
Pre-Modification Recorded Investment	$ 0		$ 98,000
Minimum [Member] | 4 - Low satisfactory [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period		10 days
Minimum [Member] | 5 - Special mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period		30 days
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, amortization term		30 years
Maximum [Member] | 4 - Low satisfactory [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period		30 days
Maximum [Member] | 5 - Special mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquency period		60 days
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum percentage of loan		1
Maximum percentage of principal, interest, taxes and hazard insurance on property over gross income		0.28
Maximum percentage of debt servicing over gross income		0.40
Maximum amount without corporation approval		$ 1,000,000
Residential, Privately Insured, Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum percentage of loan		0.80
Total Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum days of consumer loan charged off		180 days
Loans and Leases Receivable, Net of Deferred Income		$ 95,972,000		78,054,000
LoanPortfolioClassesAndSegmentsAsPercentageofAggregateLoan		$ 0.0719		$ 0.0617
Total Consumer [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, amortization term		15 years
Commercial And Agricultural Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum percentage of loan		0.80
Commercial And Agricultural Portfolio Segment [Member] | Customer Concentration Risk [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum amount of loans		$ 18,000,000
Commercial, Agricultural, and Residential Portfolio Segments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of days past due (or more), accrual of interest discontinued		90 days

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