Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss	$ (10,175)	$ (3,302)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	11,516	11,429
Amortization of debt issuance costs and discount	353	332
Impairments of property, plant and equipment	0	233
Total derivative loss (gain), net of cash settlements	386	(2,543)
Share of net income from joint venture, net of cash dividends received	(281)	1,934
Share-based compensation expense	381	949
Deferred income taxes	480	(42)
Other	(287)	(826)
Changes in operating assets and liabilities:
Accounts receivable	(5,506)	(17,633)
Inventories	(447)	(5,536)
Accounts payable	2,813	11,416
Income taxes receivable and payable, net	(283)	(631)
Other	1,276	(1,003)
Net cash provided by (used in) operating activities	226	(5,223)
Cash flows from investing activities
Acquisition of property, plant and equipment	(4,997)	(4,262)
Proceeds from sale of property, plant, and equipment	1,035	36
Net cash used in investing activities	(3,962)	(4,226)
Cash flows from financing activities
Proceeds from long-term debt	17,000	8,000
Repayments of long-term debt	(17,832)	(8,729)
Cash paid for debt issuance costs	(55)	0
Proceeds from short-term debt, net	2,923	0
Other	(785)	(787)
Net cash provided by (used in) financing activities	1,251	(1,516)
Effect of exchange rate changes on cash flows	222	2,936
Net change in cash and cash equivalents	(2,263)	(8,029)
Cash and cash equivalents at beginning of period	12,808	28,656
Cash cash equivalents at end of period	$ 10,545	$ 20,627