Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 122,992	$ 125,206	$ 244,190	$ 252,294
Cost of sales (exclusive of depreciation and amortization shown separately below)	101,257	107,684	202,343	216,105
Selling, general, and administrative expense	13,511	10,975	26,859	24,140
Depreciation and amortization	11,761	11,550	24,308	23,066
Other operating expense (income), net	(1,390)	(956)	(2,390)	105
Loss from operations	(2,147)	(4,047)	(6,930)	(11,122)
Interest expense	5,873	5,457	11,239	9,745
Other expense (income), net	(3,461)	5,641	692	3,433
Loss before benefit (provision) for income taxes and share of net income from joint venture	(4,559)	(15,145)	(18,861)	(24,300)
Benefit (provision) for income taxes	215	(325)	(291)	(1,626)
Share of net income from joint venture	2,141	1,093	4,412	1,374
Net loss	(2,203)	(14,377)	(14,740)	(24,552)
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	(3,387)	(2,374)	(5,733)	(534)
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	(449)	(449)	(898)	(917)
Other comprehensive loss	(3,836)	(2,823)	(6,631)	(1,681)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ (6,039)	$ (17,200)	$ (21,371)	$ (26,233)
Earnings Per Share, Basic [Abstract]
Net loss per common share (in dollars per shares)	$ (0.12)	$ (0.38)	$ (0.46)	$ (0.67)
Weighted average common shares outstanding, basic (in shares)	48,839	46,357	48,281	45,836
Earnings Per Share, Diluted [Abstract]
Net loss per common share (in dollars per share)	$ (0.12)	$ (0.38)	$ (0.46)	$ (0.67)
Weighted average common shares outstanding, diluted (in shares)	48,839	46,357	48,281	45,836