Distributions - Additional Information (Detail) (USD $)	1 Months Ended			3 Months Ended
	Aug. 31, 2014	Jun. 30, 2014	Feb. 28, 2014	Sep. 30, 2014
Cash Distributions [Abstract]
Total cash distributions declared and paid	$ 258,352	$ 237,119	$ 234,258
Distribution to limited partner, declaration date				Oct. 31, 2014
Distribution to limited partners amount declared				246,579
Distribution to limited partner, per unit amount declared				$ 5.21
Distribution to limited partner, distribution date				Nov. 06, 2014
Distributions to general partner				$ 2,491
General partner, partnership interest percentage				1.00%
Distribution to general partner, distribution date				Nov. 30, 2014