CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 53,484		$ 56,962
Accounts receivable, net	112,165	[1]	119,193	[1]
Risk management assets	16,420		4,322
Prepayments and other current assets	3,254		5,114
Total current assets	185,323		185,591
Property, plant and equipment, net	1,301,813		1,103,699
Intangible assets, net	161,652		192,425
Investments in unconsolidated affiliates	480,118		544,687
Escrow cash	1,848		1,848
Risk management assets	6,941		6,452
Other assets, net	28,163		29,895
Total assets	2,165,858		2,064,597
Current liabilities:
Accounts payable	137,232	[1]	155,921	[1]
Accrued capital expenditures	9,841		7,033
Accrued interest	25,022		8,686
Accrued tax liability	1,148		1,182
Risk management liabilities	1,512		3,565
Other current liabilities	22,974		15,007
Total current liabilities	197,729		191,394
Long term debt (includes $3,194 and $0 bond premium as of September 30, 2012 and December 31, 2011, respectively)	1,092,719		994,525
Deferred tax liability	2,440		2,199
Other noncurrent liabilities	9,893		4,581
Commitments and contingencies (Note 9)
Members' capital:
Series A convertible preferred units, no par value, 12,582,468 units and 11,684,074 units issued and outstanding as of September 30, 2012 and December 31, 2011, respectively	285,168		285,168
Common units, no par value, 72,411,407 units and 66,341,458 units issued and outstanding as of September 30, 2012 and December 31, 2011, respectively	1,353,900		1,164,853
Paid in capital	69,966		62,277
Accumulated deficit	(848,066)		(624,121)
Accumulated other comprehensive income (loss)	2,109		(16,279)
Members' equity, total	863,077		871,898
Total liabilities and members' capital	$ 2,165,858		$ 2,064,597

[1] Inclusive of related party transactions discussed in Note 8.