Organization and Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) segment	Dec. 31, 2023 USD ($)	Jan. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)
Property, Plant and Equipment [Line Items]
Minimum past due period after which accrual of interest is discontinued	90 days
Loans charge off period, maximum	120 days
Period of consecutive monthly loan payments for loan to return to accrual status	6 months
Minimum required investment in Federal Home Loan Bank Stock	$ 1,700,000	$ 2,400,000
Number of operating segments | segment	1
Reserve for unfunded commitments	$ 234,000	193,000	$ 1,030,000	$ 335,000
Advertising costs	361,000	377,000
Goodwill	$ 777,000	777,000
Minimum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life	1 year
Maximum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life	10 years
Maximum | Building
Property, Plant and Equipment [Line Items]
Useful life	39 years
Core Deposits
Property, Plant and Equipment [Line Items]
Impairment loss on intangible assets	$ 0	$ 0
Core Deposits | Minimum
Property, Plant and Equipment [Line Items]
Amortization period	8 years
Core Deposits | Maximum
Property, Plant and Equipment [Line Items]
Amortization period	10 years