Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 53,534	$ 59,930
Accounts receivable, net	108,339	96,662
Risk management assets	12,101	7,836
Prepayments and other current assets	8,311	5,179
Total current assets	182,285	169,607
Property, plant and equipment, net	1,078,948	912,157
Intangible assets, net	179,992	188,585
Investments in unconsolidated affiliates	529,958	604,304
Escrow cash	1,850	1,856
Risk management assets	17,128	11,943
Other assets, net	27,739	18,541
Total assets	2,017,900	1,906,993
Current liabilities:
Accounts payable	140,792	117,706
Accrued interest	19,945	10,621
Accrued tax liability	892	913
Risk management liabilities	7,285	9,357
Other current liabilities	33,948	14,495
Total current liabilities	202,862	153,092
Long term debt (includes $0 and $546 bond premium as of September 30, 2011 and December 31, 2010, respectively)	904,525	592,736
Deferred tax liability	2,135	1,883
Risk management and other noncurrent liabilities	2,150	4,525
Commitments and contingencies (Note 9)
Members' capital:
Common units, no par value, 66270176 units and 65,915,173 units issued and outstanding as of September 30, 2011 and December 31, 2010, respectively	1,164,399	1,161,652
Paid-in capital	59,250	51,743
Accumulated deficit	(592,676)	(313,454)
Accumulated other comprehensive loss	(9,913)	(30,356)
Members' capital	906,228	1,154,757
Total liabilities and members' capital	2,017,900	1,906,993
Series A Preferred Unit
Members' capital:
Series A convertible preferred units, no par value, 11,399,097 units and 10,585,197 units issued and outstanding as of September 30, 2011 and December 31, 2010, respectively	285,168	285,172
Members' capital	$ 285,168	$ 285,172