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Securities (Amortized Cost And Fair Value Of Available-For-Sale Securities Portfolio) (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost $ 10,484 $ 10,991
Gross Unrealized Losses 2,887 2,899
Fair Value 7,597 8,092
Corporate Debt [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 9,981 9,980
Gross Unrealized Losses 2,881 2,880
Fair Value 7,100 7,100
U.S. Treasury [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 501 1,007
Gross Unrealized Losses 6 19
Fair Value 495 988
Mortgage-Backed Securities - Residential [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost 2 4
Gross Unrealized Losses  
Fair Value 2 4
Maximum [Member] | Mortgage-Backed Securities - Residential [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Gross Unrealized Losses $ 1 $ 1