Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Affiliate	$ 32,056	$ 912
Third-party	701	227
Total revenues	32,757	1,139
Operating costs and expenses:
Operating and maintenance expenses	16,135	15,567
General and administrative expenses	1,975	1,041
Depreciation and amortization	3,244	2,930
Total operating costs and expenses	21,354	19,538
Operating income (loss)	11,403	(18,399)
Other income (expense):
Interest expense and other financing costs	(225)	0
Amortization of loan fees	(129)	0
Other income, net	3	2
Income (loss) before income taxes	11,052	(18,397)
Provision for income taxes	(119)	0
Net income (loss)	$ 10,933	$ (18,397)
Earnings Per Share [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 0.2407
Common Units [Member]
Earnings Per Share [Abstract]
Earnings Per Share, Basic	$ 0.24
Earnings Per Share, Diluted	$ 0.24
Weighted Average Number of Shares Outstanding, Basic	22,811
Weighted Average Number of Shares Outstanding, Diluted	22,815
Subordinated Units [Member]
Earnings Per Share [Abstract]
Earnings Per Share, Basic and Diluted	$ 0.24
Weighted Average Number of Shares Outstanding, Basic and Diluted	22,811