Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 113,587	$ 124,443	$ 357,777	$ 376,737
Cost of sales (exclusive of depreciation and amortization shown separately below)	97,131	104,543	299,474	320,648
Selling, general, and administrative expense	10,257	11,693	37,116	35,833
Depreciation and amortization	10,844	11,577	35,152	34,643
Other operating income, net	(895)	(631)	(3,285)	(526)
Loss from operations	(3,750)	(2,739)	(10,680)	(13,861)
Interest expense	5,404	5,739	16,643	15,484
Other expense (income), net	(5,315)	(1,463)	(4,623)	1,970
Loss before benefit (provision) for income taxes and share of net income from joint venture	(3,839)	(7,015)	(22,700)	(31,315)
Benefit (provision) for income taxes	(903)	245	(1,194)	(1,381)
Share of net income from joint venture	2,185	1,713	6,597	3,087
Net loss	(2,557)	(5,057)	(17,297)	(29,609)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	3,970	(3,072)	(1,763)	(3,606)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	0	0	0	(230)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	(109)	(449)	(1,007)	(1,366)
Other comprehensive income	3,861	(3,521)	(2,770)	(5,202)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ 1,304	$ (8,578)	$ (20,067)	$ (34,811)
Earnings Per Share, Basic [Abstract]
Net loss per common share (in dollars per shares)	$ (0.13)	$ (0.18)	$ (0.59)	$ (0.84)
Weighted average common shares outstanding, basic (in shares)	48,997	47,539	48,522	46,410
Earnings Per Share, Diluted [Abstract]
Net loss per common share (in dollars per share)	$ (0.13)	$ (0.18)	$ (0.59)	$ (0.84)
Weighted average common shares outstanding, diluted (in shares)	48,997	47,539	48,522	46,410