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Organization (Details) - USD ($)
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Jan. 09, 1999
May 01, 1997
Limited Partner [Member]                
Organization (Details) [Line Items]                
Capital Units, Value               $ 1,000
Limited Partners' Capital Account, Units Outstanding (in Shares) 12,692 12,691.78 12,692 12,965.03 13,462.92 13,462.92 16,917.222 1,500
Limited Partners' Contributed Capital             $ 16,917,222 $ 1,500,000
General Partner [Member]                
Organization (Details) [Line Items]                
General Partners' Contributed Capital             $ 1,000