Distributions - Additional Information (Detail) (USD $)	1 Months Ended			3 Months Ended
	Aug. 31, 2013	Jun. 30, 2013	Feb. 28, 2013	Sep. 30, 2013
Cash Distributions [Abstract]
Total cash distributions declared and paid	$ 172,874	$ 151,198	$ 174,144
Distribution to limited partners, declaration date				Oct. 21, 2013
Distribution to limited partners, amount approved				177,469
Distribution to limited partners, per unit amount declared				$ 20.28
Distribution to limited partner, distribution date				Nov. 06, 2013
Distributions to general partner				$ 1,793
General partner, partnership interest percentage				1.00%
Distribution to general partner, distribution date				Nov. 30, 2013