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Operating Expenses (Tables)
12 Months Ended
Dec. 31, 2019
Text Block [Abstract]  
Management Fee Paid by Master Fund For the years ended December 31, 2019, 2018 and 2017, the Management Fee paid by the Master Fund was as follows:
Period
  
Management
Fee
   
Voluntary
Fee Waiver
   
Net Management
Fee
 
Year ended December 31, 2019
  $1,140,124   $(134,132  $1,005,992 
Year ended December 31, 2018
  $1,436,067   $(168,949  $1,267,118 
Year ended December 31, 2017
  $1,513,176   $(178,022  $1,335,154