CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 21,793	$ 27,811
Accounts receivable	89,581	92,908
Insurance receivable	0	25,000
Other current assets	3,573	3,600
Total current assets	114,947	149,319
Property, plant and equipment, net	1,812,783	1,622,640
Intangible assets, net	461,310	489,282
Goodwill	16,211	265,062
Investment in equity method investees	751,168	706,172
Other noncurrent assets	8,253	9,987
Total assets	3,164,672	3,242,462
Current liabilities:
Trade accounts payable	40,808	38,391
Due to affiliate	1,149	2,711
Deferred revenue	677	2,377
Ad valorem taxes payable	10,271	9,179
Accrued interest	17,483	18,858
Accrued environmental remediation	7,900	25,000
Other current liabilities	13,297	15,307
Total current liabilities	91,585	111,823
Long-term debt	1,267,270	1,232,207
Deferred revenue	45,486	55,239
Noncurrent accrued environmental remediation	5,764	5,000
Other noncurrent liabilities	7,268	7,515
Total liabilities	1,417,373	1,411,784
Commitments and contingencies
Common limited partner capital (42,063 units issued and outstanding at December 31, 2015 and 34,427 units issued and outstanding at December 31, 2014)	744,977	649,060
Subordinated limited partner capital (24,410 units issued and outstanding at December 31, 2015 and 2014)	213,631	293,153
General partner interests (1,355 units issued and outstanding at December 31, 2015 and 1,201 units issued and outstanding at December 31, 2014)	25,634	24,676
Summit Investments' equity in contributed subsidiaries	763,057	863,789
Total partners' capital	1,747,299	1,830,678
Total liabilities and partners' capital	$ 3,164,672	$ 3,242,462

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.