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Securities (Amortized Cost And Fair Value Of Available-For-Sale Securities Portfolio) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost $ 8,139 $ 10,207
Gross Unrealized Gains 36 6
Gross Unrealized Losses 1 99
Fair Value 8,174 10,114
U.S. Treasury [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 7,986 9,978
Gross Unrealized Gains 32 2
Gross Unrealized Losses 1 99
Fair Value 8,017 9,881
Mortgage-Backed Securities - Residential [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 126 167
Gross Unrealized Gains 4 3
Gross Unrealized Losses  
Fair Value 130 170
Collateralized Mortgage Obligations [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 27 62
Gross Unrealized Gains   1
Gross Unrealized Losses  
Fair Value $ 27 $ 63