Subsequent Events (Details Textual) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	1 Months Ended	9 Months Ended
	Jul. 31, 2012	Jun. 30, 2012	Jul. 19, 2012
Subsequent Events (Textual) [Abstract]
Vested percentage of full or partial year		20.00%
Distribution declared			$ 0.0775
Partners capital projected distribution amount on annualized basis			$ 0.31
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 paid to common unit holders		$ 4,700,000
Amount paid to the General Partner		56,000
Incentive distribution to the General Partner		34,000
Incentive distributions to Management		34,000
Dividend declaration date		Jul. 19, 2012
Dividend record date		Jul. 30, 2012
Dividend payable date		Aug. 07, 2012
Number of Shares Authorized to be Repurchased			3.0
Vested percentage of plan benefits		100.00%
Payment to be received per heating degree-day	35,000
Percentage in heating degree days during the period covered, divided by the ten year average, below which point payments to be received	92.50%
Maximum payout		$ 12,500,000
Chief Executive Officer [Member]
Subsequent Events (Textual) [Abstract]
Vested percentage of full or partial year		33.33%