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Marketable Securities (Held-To-Maturity Securities) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |  |  |
Gross unrealized holding gains |  | $ 0 |  | $ 0 |  |
Gross unrealized holding (losses) |  | (679) |  | (1,325) |  |
Aggregate fair value | [1] | 24,085 |  | 17,996 |  |
Amortized cost basis |  | 24,764 | [2] | 19,321 | [2] | $ 32,266
Accrued interest on securities |  | 188 |  | 138 |  |
Current [Member] |  |  |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |  |  |
Gross unrealized holding gains |  | 0 |  | 0 |  |
Gross unrealized holding (losses) |  | (121) |  | (111) |  |
Aggregate fair value | [1] | 7,901 |  | 3,927 |  |
Amortized cost basis | [2] | 8,022 |  | 4,038 |  |
Non Current [Member] |  |  |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |  |  |
Gross unrealized holding gains |  | 0 |  | 0 |  |
Gross unrealized holding (losses) |  | (558) |  | (1,214) |  |
Aggregate fair value | [1] | 16,184 |  | 14,069 |  |
Amortized cost basis | [2] | $ 16,742 |  | $ 15,283 |  |
[1] | Fair value is being determined using Level 2 inputs.
[2] | Including accrued interest in the amount of US$ 138 thousand and US$ 188 thousand as of December 31, 2022 and 2023, respectively.

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