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Securities (Amortized Cost And Fair Value Of Available-For-Sale Securities Portfolio) (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost $ 11,172 $ 8,139
Gross Unrealized Gains 218 36
Gross Unrealized Losses   1
Fair Value 11,390 8,174
U.S. Treasury [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 11,037 7,986
Gross Unrealized Gains 213 32
Gross Unrealized Losses   1
Fair Value 11,250 8,017
Mortgage-Backed Securities - Residential [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 116 126
Gross Unrealized Gains 5 4
Fair Value 121 130
Collateralized Mortgage Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 19 27
Fair Value $ 19 $ 27