Consolidated balance sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 982	$ 1,090
Trade accounts receivable, net	11,415	16,500
Due from affiliates	2,490	2,882
Other current assets	8,165	6,346
Total current assets	23,052	26,818
Property, plant and equipment, net	728,766	727,220
Goodwill	9,428	9,428
Investments in unconsolidated affiliates	226,252	225,425
Right-of-use assets, operating leases	34,630	35,765
Other assets, net	45,115	47,397
TOTAL ASSETS	1,067,243	1,072,053
Current liabilities:
Trade accounts payable	22,480	24,650
Operating lease liabilities	3,036	3,001
Accrued liabilities	33,372	36,558
Total current liabilities	58,888	64,209
Other liabilities	6,179	4,990
Long-term operating lease liabilities	33,494	34,605
Long-term debt	642,804	644,162
Total liabilities	741,365	747,966
Commitments and contingencies (Note 13)
Equity:
Member interest	325,878	324,087
Total equity	325,878	324,087
TOTAL LIABILITIES AND EQUITY	$ 1,067,243	$ 1,072,053