CONSOLIDATED AND CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash	$ 68	$ 2,856
Accounts and other receivables, less allowance for doubtful accounts of $498 and $532, respectively	59,073	87,254
Inventories	46,830	62,540
Due from affiliates	15,100	17,829
Fair value of derivatives	2	0
Other current assets	6,396	5,833
Assets held for sale	0	5,052
Total current assets	127,469	181,364
Property, plant and equipment, at cost	893,619	884,728
Accumulated depreciation	(479,301)	(467,531)
Property, plant and equipment, net	414,318	417,197
Goodwill	17,705	17,705
Right-of-use assets	25,771	23,901
Deferred income taxes, net	23,136	23,422
Other assets, net	3,800	3,567
Total assets	612,199	667,156
Liabilities and Partners’ Capital (Deficit)
Current installments of long-term debt and finance lease obligations	369,238	6,758
Trade and other accounts payable	52,713	64,802
Product exchange payables	4,772	4,322
Due to affiliates	1,304	1,470
Income taxes payable	605	472
Fair value of derivatives	0	667
Other accrued liabilities	20,282	28,789
Total current liabilities	448,914	107,280
Long-term debt, net	165,543	569,788
Finance lease obligations	526	717
Operating lease liabilities	17,810	16,656
Other long-term obligations	8,907	8,911
Total liabilities	641,700	703,352
Commitments and contingencies
Partners’ capital (deficit)	(29,501)	(36,196)
Total partners’ capital (deficit)	(29,501)	(36,196)
Total liabilities and partners' capital (deficit)	$ 612,199	$ 667,156