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Organization (Details) - USD ($)
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Oct. 19, 2007
Apr. 03, 2006
Limited Partner [Member]                    
Organization (Details) [Line Items]                    
Capital Units, Value                   $ 10
Limited Partners' Capital Account, Units Outstanding (in Shares) 1,678,443.2 1,678,443.2 1,738,006 1,738,006 1,738,006 1,738,006 1,738,006 1,738,006 1,832,736 150,000
Limited Partners' Contributed Capital                 $ 18,327,360 $ 1,500,000
General Partner [Member]                    
Organization (Details) [Line Items]                    
General Partners' Contributed Capital                 $ 1,000