Loans Receivable and Allowance for Loan Losses (Schedule of aged analysis of past due loans receivables) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 884	$ 2,400
Current	107,610	102,520
Nonaccrual Status	924	828
Total Loans Receivable	109,418	105,748
30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	884	2,400
Real Estate | Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	806	2,366
Current	72,917	69,079
Nonaccrual Status	912	828
Total Loans Receivable	74,635	72,273
Real Estate | Residential | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	806	2,366
Real Estate | Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	21,976	22,349
Total Loans Receivable	21,976	22,349
Real Estate | Land
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	78	34
Current	2,300	2,166
Nonaccrual Status	12
Total Loans Receivable	2,390	2,200
Real Estate | Land | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	78	34
Real Estate | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	4,848	4,259
Total Loans Receivable	4,848	4,259
Real Estate | Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	2,069	2,086
Total Loans Receivable	2,069	2,086
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	355	246
Total Loans Receivable	355	246
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	3,145	2,335
Total Loans Receivable	$ 3,145	$ 2,335