Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Cash and cash equivalents	$ 28,067	$ 108,887
Receivables, net	275,131	302,259
Receivables from unconsolidated affiliates, net	18,074	7,097
Inventories	33,699	31,749
Other current assets	20,160	46,731
Property, plant and equipment	11,038,482	9,923,524
Less: accumulated depreciation	(1,617,998)	(1,270,624)
Investment in unconsolidated affiliates	916,331	805,633
Accumulated amortization, intangibles	386,988	350,327
Accumulated amortization, deferred financing costs	27,856	31,298
Accumulated amortization, deferred contract cost	0	3,198
Other long-term assets	3,270	3,426
Accounts payable	223,927	270,997
Accrued liabilities	285,893	360,006
Payables to unconsolidated affiliates	5,934	8,621
Long-term debt, discounts	6,648	6,196
Other long-term liabilities	$ 160,250	$ 169,012
Common Units
Common units issued (in units)	195,195	186,553
Common units outstanding (in units)	195,195	186,553
Class B Units
Common units issued (in units)	7,982	11,973
Common units outstanding (in units)	7,982	11,973
Total Variable Interest Entities
Cash and cash equivalents	$ 2,214	$ 73,300
Receivables, net	28,495	22,722
Receivables from unconsolidated affiliates, net	5,055	30
Inventories	3,724	2,434
Other current assets	2,107	9,511
Property, plant and equipment	1,509,780	1,411,797
Less: accumulated depreciation	(104,027)	(56,987)
Investment in unconsolidated affiliates	770,712	696,784
Other long-term assets	659	664
Accounts payable	14,046	28,021
Accrued liabilities	6,163	48,793
Payables to unconsolidated affiliates	1	5,500
Other long-term liabilities	$ 977	$ 0