Securities (Amortized Cost And Fair Value Of Available-For-Sale Securities Portfolio) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 14,548	$ 16,562
Gross Unrealized Gains	4	32
Gross Unrealized Losses	1,548	247
Fair Value	13,004	16,347
Corporate Debt [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,977	9,976
Gross Unrealized Gains
Gross Unrealized Losses	1,477	226
Fair Value	8,500	9,750
U.S. Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,542	6,551
Gross Unrealized Gains	3	31
Gross Unrealized Losses	71	21
Fair Value	4,474	6,561
Mortgage-Backed Securities - Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	29	35
Gross Unrealized Gains	1	1
Gross Unrealized Losses
Fair Value	$ 30	$ 36

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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