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Schedule of Realized Gain (loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Schedule of Investments [Abstract] |  |  |  |
Sales proceeds | $ 11,210 | $ 1,400 | $ 11,210 | $ 16,623
Realized gains |  | 30 |  | 1,138
Realized losses | (353) |  | (353) |
Net realized (losses) gains | $ (353) | $ 30 | $ (353) | $ 1,138

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