CONSOLIDATED AND CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash	$ 1,862	$ 2,856
Accounts and other receivables, less allowance for doubtful accounts of $537 and $532, respectively	55,461	87,254
Product exchange receivables	212	0
Inventories	77,724	62,540
Due from affiliates	18,932	17,829
Other current assets	9,587	5,833
Assets held for sale	0	5,052
Total current assets	163,778	181,364
Property, plant and equipment, at cost	902,965	884,728
Accumulated depreciation	(506,645)	(467,531)
Property, plant and equipment, net	396,320	417,197
Goodwill	17,705	17,705
Right-of-use assets	23,201	23,901
Deferred income taxes, net	22,220	23,422
Other assets, net	3,116	3,567
Total assets	626,340	667,156
Liabilities and Partners’ Capital (Deficit)
Current installments of long-term debt and finance lease obligations	31,979	6,758
Trade and other accounts payable	45,326	64,802
Product exchange payables	3,044	4,322
Due to affiliates	467	1,470
Income taxes payable	335	472
Fair value of derivatives	391	667
Other accrued liabilities	23,153	28,789
Total current liabilities	104,695	107,280
Long-term debt, net	541,002	569,788
Finance lease obligations	348	717
Operating lease liabilities	16,005	16,656
Other long-term obligations	8,753	8,911
Total liabilities	670,803	703,352
Commitments and contingencies
Partners’ capital (deficit)	(44,463)	(36,196)
Total partners’ capital (deficit)	(44,463)	(36,196)
Total liabilities and partners' capital (deficit)	$ 626,340	$ 667,156