Subsequent Events - Additional Information (Detail) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 14, 2014 Subsequent Event [Member]
Subsequent Event [Line Items]
Limited Partners interest				$ 2.16
Partnership made distributions to the Limited Partners	$ 1,680,000	$ 1,285,000	$ 1,030,000	$ 100,000