Loans and Allowance for Credit Losses (Schedule of Loan by Segment) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 558,068	$ 558,536
Net deferred loan costs	3,624	3,755
Allowance for credit losses on loans	(6,237)	(6,463)	$ (6,708)	$ (7,065)
Loans receivable, net	555,455	555,828
Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	540,157	540,860
Real Estate Loans: One-to-Four Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	169,509	172,005
Real Estate Loans: Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	50,684	51,869
Allowance for credit losses on loans	(249)	(213)	(261)	(217)
Real Estate Loans: Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	319,964	316,986
Allowance for credit losses on loans	(5,004)	(5,231)	(5,384)	(5,746)
Other Loans: Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	16,886	16,546
Allowance for credit losses on loans	(467)	(471)	$ (519)	(509)
Other Loans: Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	1,025	1,130
Allowance for credit losses on loans	$ (13)	$ (16)		$ (47)