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Nature of Banking Activities and Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Sep. 18, 2024	Jan. 01, 2024	May 16, 2023
Property Plant And Equipment [Line Items]
Ownership percentage in subsidiaries	10000.00%
Accrued interest receivable	$ 4,800,000	$ 4,600,000
Sale of non mortgage loans	$ 14,300,000
Limit of the estimated appraised value of the furnished home	80.00%
Reserve credit losses for unfunded commitments	$ 505,000	479,000
The Company's reserve for unfunded loan commitments		406,000
Provision for credit losses	$ 2,551,000	$ 1,649,000
Stock incentive plan, authorized common stock					250,000
"More likely than not" threshold	50.00%
Antidilutive securities excluded from computation of earnings per share, amount	0	0
Number of shares of common stock able to be repurchased			150,000
Repurchase and retirement of common stock	7,868	8,531
Stock repurchased and retired during period, value	$ 30.08	$ 35.34
Maximum numbers of shares that may yet be purchased under plan	148,122
Investment balance				$ 477,000
Unfunded Commitments [Member]
Property Plant And Equipment [Line Items]
Reserve credit losses for unfunded commitments	$ 505,000	479,000
The Company's reserve for unfunded loan commitments		406,000
Provision for credit losses	$ 26,000	$ 8,000
Building [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	10 years
Building [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	39 years
Furniture and equipment [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	3 years
Furniture and equipment [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful lives	10 years

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