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Significant Accounting Policies - Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Significant Accounting Policies |  |  |
Gain (loss) available for sale security | $ 0 | $ 0 | $ 0

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- References No definition available. + Details
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- Definition Amount of realized gain (loss) on investment in debt and equity securities. + References No definition available. + Details
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