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Financial Instruments Owned (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Financial Instruments Owned [Abstract]        
Net trading losses $ (67) $ (222) $ 1,837 $ 1,309