Loan Portfolio and Allowance for Credit Losses - Loans on Non-Accrual Status and Past Due More than 90 Days (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	$ 19,792,000	$ 18,765,000
Non-accrual	1,673,000	1,907,000
Loans Past Due Over 89 Days Still Accruing	0	0
Installment [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	39,000	22,000
Non-accrual	24,000	29,000
Loans Past Due Over 89 Days Still Accruing	0	0
Commercial Real Estate [Member] \| Commercial [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	1,961,000	1,983,000
Non-accrual	0	0
Loans Past Due Over 89 Days Still Accruing	0	0
Other [Member] \| Commercial [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	7,000	7,000
Non-accrual	0	0
Loans Past Due Over 89 Days Still Accruing	0	0
First Mortgages [Member] \| Real Estate Mortgage - 1 to 4 Family [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	15,313,000	14,324,000
Non-accrual	1,440,000	1,622,000
Loans Past Due Over 89 Days Still Accruing	0	0
Home Equity Loans [Member] \| Real Estate Mortgage - 1 to 4 Family [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	410,000	419,000
Non-accrual	0	11,000
Loans Past Due Over 89 Days Still Accruing	0	0
Home Equity Lines of Credit [Member] \| Real Estate Mortgage - 1 to 4 Family [Member]
Loan Portfolio and Allowance for Credit Losses [Abstract]
Non-accrual With No Allowance for Credit Loss	2,062,000	2,010,000
Non-accrual	209,000	245,000
Loans Past Due Over 89 Days Still Accruing	$ 0	$ 0

Amount of financing receivable on nonaccrual status with allowance for credit loss.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-80

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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