Loans Receivable and Allowance for Loan Losses (Schedule of credit risk profile by internally assigned grade) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 105,748	$ 100,282
Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	104,678	99,620
Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,070	662
Real Estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	22,349	21,868
Real Estate | Land
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,200	2,211
Real Estate | One-to-Four Family
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	72,273	69,414
Real Estate | Construction
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	4,259	2,947
Real Estate | Multi-family
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,086	1,524
Real Estate | Pass | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	22,349	21,868
Real Estate | Pass | Land
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,200	2,189
Real Estate | Pass | One-to-Four Family
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	71,203	68,774
Real Estate | Pass | Construction
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	4,259	2,947
Real Estate | Pass | Multi-family
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,086	1,524
Real Estate | Substandard | Land
Loans and Leases Receivable Disclosure [Line Items]
Total Loans		22
Real Estate | Substandard | One-to-Four Family
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,070	640
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	246	354
Consumer | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	246	354
Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,335	1,964
Commercial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 2,335	$ 1,964