Loans and Allowance for Credit Losses (Analysis of Past Due Loans and Non-Accruing Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	$ 541,048	$ 558,536
Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	163,835	172,005
Real Estate Loans: Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	47,969	51,869
Real Estate Loans: Commercial [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	312,575	316,986
Other Loans: Commercial [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	15,645	16,546
Other Loans: Consumer [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	1,024	1,130
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	1,212	1,809
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	1,056	1,488
Financial Asset, 30 to 59 Days Past Due [Member] | Real Estate Loans: Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	124	315
Financial Asset, 30 to 59 Days Past Due [Member] | Other Loans: Consumer [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	32	6
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	502	586
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	374	3
Financial Asset, 60 to 89 Days Past Due [Member] | Real Estate Loans: Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	126	583
Financial Asset, 60 to 89 Days Past Due [Member] | Other Loans: Consumer [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	2
Financial Asset, 90 Days or More Past Due [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	2,616	1,575
Financial Asset, 90 Days or More Past Due [Member] | Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	771	276
Financial Asset, 90 Days or More Past Due [Member] | Real Estate Loans: Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	598	56
Financial Asset, 90 Days or More Past Due [Member] | Real Estate Loans: Commercial [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	1,242	1,242
Financial Asset, 90 Days or More Past Due [Member] | Other Loans: Consumer [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	5	1
Financial Asset, Past Due [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	4,330	3,970
Financial Asset, Past Due [Member] | Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	2,201	1,767
Financial Asset, Past Due [Member] | Real Estate Loans: Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	848	954
Financial Asset, Past Due [Member] | Real Estate Loans: Commercial [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	1,242	1,242
Financial Asset, Past Due [Member] | Other Loans: Consumer [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	39	7
Financial Asset, Current Due [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	536,718	554,566
Financial Asset, Current Due [Member] | Real Estate Loans: One-to-Four Family [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	161,634	170,238
Financial Asset, Current Due [Member] | Real Estate Loans: Home Equity [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	47,121	50,915
Financial Asset, Current Due [Member] | Real Estate Loans: Commercial [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	311,333	315,744
Financial Asset, Current Due [Member] | Other Loans: Commercial [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	15,645	16,546
Financial Asset, Current Due [Member] | Other Loans: Consumer [Member]
Financing Receivable, Past Due [Line Items]
Gross Loans Receivable	$ 985	$ 1,123