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Marketable Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Detailed Information About Marketable Securities Explanatory [Abstract] |  |  |
Gains (losses) from marketable securities | $ (96) | $ 126 | $ (35)

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- Definition Gains (losses) from marketable securities. + References No definition available. + Details
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