Securities (Amortized Cost And Fair Value Of Available-For-Sale Securities Portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 11,498	$ 13,020
Gross Unrealized Losses	3,018	2,578
Fair Value	8,480	10,442
Corporate Debt [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,980	9,978
Gross Unrealized Losses	2,980	2,478
Fair Value	7,000	7,500
U.S. Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,511	3,025
Gross Unrealized Losses	38	100
Fair Value	1,473	2,925
Mortgage-Backed Securities - Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7	17
Gross Unrealized Losses
Fair Value	$ 7	$ 17