UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 370	$ 1,430
Accounts receivable	85,458	72,301
Other current assets	4,360	4,327
Total current assets	90,188	78,058
Property, plant and equipment, net	1,911,630	1,795,129
Intangible assets, net	281,207	301,345
Goodwill	16,211	16,211
Investment in equity method investees	660,254	690,485
Other noncurrent assets	18,566	13,565
Total assets	2,978,056	2,894,793
Current liabilities:
Trade accounts payable	22,569	16,375
Accrued expenses	18,347	12,499
Due to affiliate	13	1,088
Deferred revenue	11,152	4,000
Ad valorem taxes payable	8,223	8,329
Accrued interest	15,285	12,310
Accrued environmental remediation	2,702	3,130
Other current liabilities	10,388	11,258
Total current liabilities	88,679	68,989
Long-term debt	1,175,313	1,051,192
Deferred Purchase Price Obligation	416,718	362,959
Noncurrent deferred revenue	39,624	12,707
Noncurrent accrued environmental remediation	1,182	2,214
Other noncurrent liabilities	5,525	7,063
Total liabilities	1,727,041	1,505,124
Commitments and contingencies (Note 16)
Series A Preferred Units (300,000 units issued and outstanding at September 30, 2018 and December 31, 2017)	300,741	294,426
Common limited partner capital (73,355,775 units issued and outstanding at September 30, 2018 and 73,085,996 units issued and outstanding at December 31, 2017)	913,913	1,056,510
General Partner interests (1,490,999 units issued and outstanding at September 30, 2018 and December 31, 2017)	25,380	27,920
Noncontrolling interest	10,981	10,813
Total partners' capital	1,251,015	1,389,669
Total liabilities and partners' capital	$ 2,978,056	$ 2,894,793