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Investments in Marketable Securities (Tables)
12 Months Ended
Dec. 31, 2023
Investments in Marketable Securities [Abstract]  
Schedule of Marketable Securities The realized gain or loss, unrealized gain or loss, and dividend income related to marketable securities for the years ended December 31, 2023 and 2022, which are recorded as a component of gains and (losses) on marketable securities on the consolidated statements of operations, are as follows ($ in thousands):
   Years Ended December 31, 
   2023   2022 
Realized loss  $(1,180)  $(1,405)
Unrealized gain (loss)   1,049    (4,867)
Dividend income   762    320 
Total  $630   $(5,952)