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General - Additional Information (Detail) (USD $)	1 Months Ended	6 Months Ended	12 Months Ended
General - Additional Information (Detail) (USD $)	Mar. 15, 1998	Jun. 30, 2013	Dec. 31, 2012	Sep. 01, 2001
Related Party Transaction [Line Items]
Number of units sold during initial offering period	49,538
Unrealized appreciation				$ 7,323,329
Percentage of partnership owned		15.90%	17.30%
AAA Master Fund LLC [Member]
Related Party Transaction [Line Items]
Units of partnership purchased				128,539.1485
Fair value, partnership purchased				$ 128,539,149

- Definition

The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

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