Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Cash and cash equivalents	$ 45,162	$ 108,887
Receivables, net	273,634	302,259
Receivables from unconsolidated affiliates, net	5,348	7,097
Inventories	31,358	31,749
Other current assets	26,622	46,731
Property, plant and equipment	10,626,393	9,923,524
Less: accumulated depreciation	(1,490,582)	(1,270,624)
Investment in unconsolidated affiliates	888,820	805,633
Accumulated amortization, intangibles	371,310	350,327
Accumulated amortization, deferred financing costs	26,245	31,298
Accumulated amortization, deferred contract cost	3,250	3,198
Other long-term assets	3,410	3,426
Accounts payable	193,329	270,997
Accrued liabilities	277,147	360,006
Payables to unconsolidated affiliates	12,009	8,621
Long-term debt, discounts	$ 6,837	$ 6,196
Common Units
Common units issued (in units)	187,389	186,553
Common units outstanding (in units)	187,389	186,553
Class B Units
Common units issued (in units)	11,973	11,973
Common units outstanding (in units)	11,973	11,973
Total Variable Interest Entities
Cash and cash equivalents	$ 12,807	$ 73,300
Receivables, net	43,442	22,722
Receivables from unconsolidated affiliates, net	0	30
Inventories	3,211	2,434
Other current assets	3,704	9,511
Property, plant and equipment	1,489,149	1,411,797
Less: accumulated depreciation	(87,328)	(56,987)
Investment in unconsolidated affiliates	765,482	696,784
Other long-term assets	664	664
Accounts payable	17,383	28,021
Accrued liabilities	18,002	48,793
Payables to unconsolidated affiliates	$ 9,349	$ 5,500