Subsequent Events - Additional Information (Detail) (Subsequent Event, USD $) In Millions, except Share data in Thousands, unless otherwise specified	1 Months Ended	2 Months Ended
	Oct. 31, 2014 Dividend Declared	Nov. 30, 2014 Plan III Common Units Repurchase Program
Subsequent Event [Line Items]
Distribution declared	$ 0.0875
Partners capital projected distribution amount on annualized basis	$ 0.35
Minimum dividend distribution per unit	$ 0.0675
Percentage of distributions to common unit holders in excess of minimum quarterly distribution	90.00%
Percentage of distributions to general unit holders in excess of minimum quarterly distribution	10.00%
Amount to paid to common unit holders	$ 5.0
Amount to paid to the General Partner	0.1
Incentive distribution to the General Partner	0.06
Incentive distributions to management	$ 0.06
Dividend payable date	Nov. 14, 2014
Dividend record date	Nov. 10, 2014
Number of shares repurchased and retired		122
Average price paid to common units		$ 5.64