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Marketable Equity Securities (Details 3) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Marketable Equity Securities (Tables)        
Unrealized (loss) Gain On Marketable Securities $ 13 $ 50 $ (142) $ (220)
Realized (loss) Gain On Marketable Equity Securities Sold 0 (89) (159) (70)
Net Gain (loss) On Marketable Securities $ 13 $ (39) $ (301) $ (290)