Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Affiliate	$ 34,914	$ 1,067	$ 101,294	$ 2,986
Third-party	686	603	2,044	1,122
Total revenues	35,600	1,670	103,338	4,108
Operating costs and expenses:
Operating and maintenance expenses	17,034	21,876	51,123	55,948
General and administrative expenses	2,474	1,148	6,592	3,338
Depreciation and amortization	3,331	4,057	10,042	9,873
Total operating costs and expenses	22,839	27,081	67,757	69,159
Operating income (loss)	12,761	(25,411)	35,581	(65,051)
Other income (expense):
Interest expense and other financing costs	(230)	0	(682)	0
Amortization of loan fees	(132)	0	(391)	0
Other income, net	1	5	4	11
Income (loss) before income taxes	12,400	(25,406)	34,512	(65,040)
Provision for income taxes	(135)	0	(339)	0
Net income (loss)	$ 12,265	$ (25,406)	$ 34,173	$ (65,040)
Earnings Per Share [Abstract]
Distribution Made to Limited Partner, Distributions Declared, Per Unit	$ 0.3075		$ 0.8457
Common Units [Member]
Earnings Per Share [Abstract]
Earnings Per Share, Basic	$ 0.27		$ 0.75
Earnings Per Share, Diluted	$ 0.27		$ 0.75
Weighted Average Number of Shares Outstanding, Basic	22,811		22,811
Weighted Average Number of Shares Outstanding, Diluted	22,883		22,853
Subordinated Units [Member]
Earnings Per Share [Abstract]
Earnings Per Share, Basic and Diluted	$ 0.27		$ 0.75
Weighted Average Number of Shares Outstanding, Basic and Diluted	22,811		22,811