Fair Value of Financial Instruments (Carrying Amount and Estimated Fair Value of Financial Instruments) (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets: Cash and cash equivalents	$ 9,633,000	$ 67,585,000
Financial assets: Securities	73,047,000	88,816,000
Financial assets: Federal Home Loan Bank stock	2,330,000	1,606,000
Financial assets: Loans receivable, net	546,278,000	504,018,000
Financial assets: Accrued interest receivable	2,796,000	2,483,000
Financial Assets: Interest rate swap	273,000
Financial assets: Mortgage Servicing Rights	209,000	220,000
Financial liabilities: Deposits	571,521,000	596,273,000
Financial liabilities: Short-term borrowings	12,596,000
Financial liabilities: Long-term debt	23,946,000	22,073,000
Financial liabilities: Accrued interest payable	66,000	55,000
Financial liabilities: Interest rate swap		60,000
Financial assets: Cash and cash equivalents, Carrying Amount	9,633,000	67,585,000
Financial assets: Federal Home Loan Bank stock, Carrying Amount	2,330,000	1,606,000
Financial assets: Loans receivable, net, Carrying Amount	573,537,000	517,206,000
Financial assets: Accrued interest receivable, Carrying Amount	2,796,000	2,483,000
Financial assets: Interest Rate Swap	273,000
Financial assets: Mortgage Servicing Rights, Carrying Amount	209,000	220,000
Financial liabilities: Deposits, Carrying Amount	570,119,000	593,184,000
Financial liabilities: Short-term borrowings, Carrying Amount	12,596,000	0
Financial liabilities: Long-term debt, Carrying Amount	24,950,000	21,950,000
Financial liabilities: Accrued interest payable, Carrying Amount	66,000	55,000
Financial liabilities: Interest rate swap, Carrying Amount		$ 60,000
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Other liabilities
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets: Cash and cash equivalents	9,633,000	$ 67,585,000
Financial assets: Securities	8,000	19,000
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets: Securities	73,039,000	88,797,000
Financial assets: Federal Home Loan Bank stock	2,330,000	1,606,000
Financial assets: Accrued interest receivable	2,796,000	2,483,000
Financial Assets: Interest rate swap	273,000
Financial liabilities: Deposits	571,521,000	596,273,000
Financial liabilities: Short-term borrowings	12,596,000
Financial liabilities: Long-term debt	23,946,000	22,073,000
Financial liabilities: Accrued interest payable	66,000	55,000
Financial liabilities: Interest rate swap		60,000
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial assets: Loans receivable, net	546,278,000	504,018,000
Financial assets: Mortgage Servicing Rights	$ 209,000	$ 220,000