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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Schedule of Maturities of Marketable Securities) (Details) $ in Thousands | Dec. 31, 2023 USD ($)
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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS [Abstract] |  |
Due within one year, Amortized cost | $ 31,075 |
Due within 2-5 years, Amortized cost | 134,256 |
Due after 5 years, Amortized cost | 23,495 |
Amortized cost | 188,826 | [1]
Due within one year, Estimated fair value | 30,938 |
Due within 2-5 years, Estimated fair value | 130,271 |
Due after 5 years, Estimated fair value | 22,501 |
Estimated fair value | $ 183,710 |
[1] | Excluding accrued interest of $1,250.

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