Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 8,716	$ 5,237
Accounts receivable:
Trade	4,550	7,126
Affiliates	31,571	31,594
Total accounts receivable	36,121	38,720
Prepaid and other current assets	4,314	3,619
Total current assets	49,151	47,576
Properties and equipment, net	954,132	960,535
Transportation agreements, net	91,123	94,596
Goodwill	256,498	256,498
Investment in SLC Pipeline	24,882	25,041
Other assets	10,925	9,864
Total assets	1,386,711	1,394,110
Accounts payable:
Trade	9,358	7,045
Affiliates	4,362	4,985
Total accounts payable	13,720	12,030
Accrued interest	10,314	10,226
Deferred revenue	8,601	8,901
Accrued property taxes	3,649	2,688
Other current liabilities	2,042	1,905
Total current liabilities	38,326	35,750
Long-term debt	799,152	864,674
Other long-term liabilities	13,525	15,433
Deferred Revenue, Noncurrent	17,581	11,494
Class B unit	16,960	13,903
Partners’ equity:
Common unitholders (58,657,048 and 56,782,048 units issued and outstanding at June 30, 2013 and December 31, 2012, respectively)	547,261	502,809
General partner interest (2% interest)	(145,805)	(145,877)
Accumulated other comprehensive loss	545	(4,279)
Total partners' equity	402,001	352,653
Noncontrolling interest	99,166	100,203
Total Equity	501,167	452,856
Total liabilities and equity	$ 1,386,711	$ 1,394,110