CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 32,662	$ 118,862
Accounts receivable, net of allowance for doubtful accounts of $7,827 and $8,473 as of September 30, 2016 and December 31, 2015, respectively	159,978	145,064
Receivable from related party	83	0
Inventories	35,051	38,749
Other current assets	26,231	31,176
Total current assets	254,005	333,851
Property, plant and equipment, at cost	5,342,360	5,209,160
Accumulated depreciation and amortization	(1,669,471)	(1,525,589)
Property, plant and equipment, net	3,672,889	3,683,571
Intangible assets, net	101,630	112,011
Goodwill	696,637	696,637
Deferred income tax asset	2,186	2,858
Other long-term assets, net	263,071	296,597
Total assets	4,990,418	5,125,525
Current liabilities:
Accounts payable	105,311	125,147
Payable to related party	0	14,799
Short-term debt	7,000	84,000
Accrued interest payable	27,614	34,286
Accrued liabilities	52,520	55,194
Taxes other than income tax	16,621	12,810
Income tax payable	2,064	5,977
Total current liabilities	211,130	332,213
Long-term debt	3,153,049	3,055,612
Long-term payable to related party	0	32,080
Deferred income tax liability	26,635	24,810
Other long-term liabilities	129,611	70,966
Commitments and contingencies (Note 4)
Partners' equity:
Limited partners (78,486,144 and 77,886,078 common units outstanding as of September 30, 2016 and December 31, 2015, respectively)	1,565,307	1,661,900
General partner	34,086	36,738
Accumulated other comprehensive loss	(129,400)	(88,794)
Total partners' equity	1,469,993	1,609,844
Total liabilities and partners' equity	$ 4,990,418	$ 5,125,525

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.