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Organization (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Jan. 31, 1997
Apr. 14, 1995
Limited Partner [Member]          
Organization (Details) [Line Items]          
Capital Units, Value         $ 1,000
Limited Partners' Capital Account, Units Outstanding (in Shares) 19,616 19,636 20,104.88 24,000 1,500
Limited Partners' Contributed Capital       $ 24,000,000 $ 1,500,000
General Partner [Member]          
Organization (Details) [Line Items]          
General Partners' Contributed Capital       $ 1,000