CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Cash and cash equivalents	$ 85,305	$ 345,756
Restricted cash	10,000	25,500
Receivables, net	299,107	197,977
Inventories	41,363	24,633
Other current assets	44,068	34,871
Property, plant and equipment	8,583,767	5,542,316
Accumulated depreciation	890,598	602,698
Accumulated amortization, intangibles	285,732	221,416
Accumulated amortization, deferred financing costs	25,083	18,567
Deferred contract cost	26,955	676
Accumulated amortization, deferred contract cost	2,886	2,574
Other long-term assets	3,887	2,140
Accounts payable	401,088	320,627
Accrued liabilities	437,847	390,178
Long-term debt, discounts	6,929	8,061
Common Units
Common units issued (in units)	157,766	127,494
Common units outstanding (in units)	157,766	127,494
Class B Units
Common units issued (in units)	15,964	19,954
Common units outstanding (in units)	15,964	19,954
Total Variable Interest Entities
Cash and cash equivalents	4,114	31,584
Restricted cash	0	500
Receivables, net	5,346	403
Inventories	2,553	0
Other current assets	5,527	82
Property, plant and equipment	1,655,789	410,205
Accumulated depreciation	33,583	2,787
Deferred contract cost	6,591	0
Other long-term assets	658	0
Accounts payable	82,007	73,865
Accrued liabilities	$ 112,029	$ 109,572