CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 182	$ 142
Accounts receivable, trade, net of allowance of $363 and $1,135, respectively	52,641	38,084
Due from affiliates, net	10,548
Total current assets	63,371	38,226
Property, plant and equipment	1,794,545	1,468,910
Accumulated depreciation	(647,527)	(491,615)
Property, plant and equipment, net	1,147,018	977,295
Goodwill	124,019	124,019
Intangible and other assets, net	33,655	23,996
Total assets	1,368,063	1,163,536
Current liabilities:
Accrued liabilities	7,255	9,621
Accrued interest	5,940	1,473
Due to affiliates, net		21,598
Current portion of interest rate swaps	3,374	3,873
Total current liabilities	16,569	36,565
Long-term debt	757,955	680,500
Interest rate swaps		6,043
Deferred income taxes	1,132	885
Other long-term liabilities	652	543
Total liabilities	776,308	724,536
Commitments and contingencies (Note 13)
Partners' capital:
Common units, 49,465,528 and 42,313,731 units issued, respectively	578,493	436,587
General partner units, 2% interest with 1,003,227 and 858,583 equivalent units issued and outstanding, respectively	16,780	13,490
Accumulated other comprehensive loss	(2,353)	(10,094)
Treasury units, 50,917 and 43,630 common units, respectively	(1,165)	(983)
Total partners' capital	591,755	439,000
Total liabilities and partners' capital	$ 1,368,063	$ 1,163,536