Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 11,795	$ (33,199)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation expense	45,796	46,144
Amortization of debt issuance costs	1,693	3,149
Deferred income tax expense	479	637
Loss on disposition of fixed assets	167	451
Decrease (increase) in:
Accounts receivable	(6,406)	5,670
Accounts receivable—related party	668	4,807
Inventories	(4,043)	1,097
Advances due from related parties	299	(174)
Other non-current assets, other current assets and prepaid expenses	(1,219)	562
Increase (decrease) in:
Accounts payable	(7,201)	350
Accounts payable—related party	687	1,118
Other payables, accruals, and current liabilities	317	(853)
Accrued interest	(166)	585
Accrued interest—related party	(273)	244
Net cash provided by operating activities	42,593	30,588
Cash flows from investing activities:
Purchase of property, plant, and equipment	(1,767)	(4,621)
Proceeds from sale of scrap equipment	0	19
Net cash used in investing activities	(1,767)	(4,602)
Cash flows from financing activities:
Proceeds from revolving credit facility	85,500	27,000
Proceeds from revolving credit facility—related party	0	39,170
Repayment of revolving credit facility	(60,500)	(52,000)
Repayment of term loan B credit facility	(3,360)	(3,360)
Repayment of revolving credit facility—related party	(35,000)	(4,170)
Debt issuance costs	(136)	(1,206)
Remittance of cash to OCI USA for transferred trade receivables	(215)	(404)
Distributions to Unitholders	(6,125)	(6,650)
Distributions to Unitholders – related party	(24,324)	(26,409)
Net cash used in financing activities	(44,160)	(28,029)
Net decrease in cash and cash equivalents	(3,334)	(2,043)
Cash and cash equivalents, beginning of period	8,080	13,238
Cash and cash equivalents, end of period	4,746	11,195
Supplemental cash disclosures:
Cash paid during the period for income taxes	0	100
Cash paid during the period for interest	15,449	25,105
Cash paid during the period for interest—related party	13,278	0
Supplemental non-cash disclosures:
Accruals of property, plant and equipment purchases	224	3,373
Noncash settlement of accrued interest—related party	$ 0	$ 304