Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Affiliates	$ 54,224	$ 37,139	$ 107,017	$ 71,246
Third parties	9,468	13,801	20,190	24,711
Total revenues	63,692	50,940	127,207	95,957
Operating costs and expenses:
Operations	17,923	14,366	34,911	27,162
Depreciation and amortization	9,132	7,713	19,396	15,353
General and administrative	2,487	1,573	4,526	2,936
Total operating costs and expenses	29,542	23,652	58,833	45,451
Operating income	34,150	27,288	68,374	50,506
Other income (expense):
Equity in earnings of SLC Pipeline	794	467	1,625	1,207
Interest expense	(11,324)	(8,724)	(21,729)	(17,273)
Loss on early extinguishment of debt	(383)	0	(2,979)	0
Other expense	0	0	0	(12)
Other nonoperating income (expense) and equity earnings	(10,913)	(8,257)	(23,083)	(16,078)
Income before income taxes	23,237	19,031	45,291	34,428
State income tax expense	(75)	(18)	(150)	(246)
Net income	23,162	19,013	45,141	34,182
Less general partner interest in net income, including incentive distributions	5,917	3,847	11,425	7,409
Limited partners’ interest in net income	$ 17,245	$ 15,166	$ 33,716	$ 26,773
Limited partners’ per unit interest in earnings—basic and diluted:	$ 0.63	$ 0.69	$ 1.23	$ 1.21
Weighted average limited partners’ units outstanding	27,361	22,079	27,361	22,079