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Marketable Securities (Schedule of Reconciliation of Marketable Securities) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract] |  |  |  |  |
Balance | $ 24,764 | [1] | $ 19,321 |  |
Purchases of marketable securities | 11,100 |  | 9,623 |  | $ 3,998
Changes in marketable securities, net | (33) |  | (180) |  |
Proceeds from maturity of marketable securities | (7,950) |  | (4,000) |  | (16,029)
Balance | $ 27,881 | [1] | $ 24,764 | [1] | $ 19,321
[1] | Including accrued interest in the amount of US$ 188 thousand and US$ 182 thousand as of December 31, 2023 and 2024, respectively.

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