Subsequent Events - Additional Information (Detail) (Subsequent Event, Cash Distribution, USD $)	1 Months Ended
	Oct. 25, 2013
Subsequent Event | Cash Distribution
Subsequent Event [Line Items]
Declaration of cash distribution	$ 0.535
Distribution declaration date	Oct. 25, 2013
Distribution payment date	Nov. 14, 2013
Distribution record date	Nov. 07, 2013