Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 489,270	$ 498,738	$ 477,584
Cost of sales (exclusive of depreciation and amortization shown separately below)	419,175	421,105	389,995
Selling, General and Administrative Expense	47,436	49,635	51,489
Depreciation and amortization	46,120	47,231	46,195
Other operating expense (income), net	(1,657)	1,859	(1,091)
Loss from operations	(21,804)	(21,092)	(9,004)
Interest expense	21,137	15,041	12,664
Gain (Loss) on Extinguishment of Debt	0	0	2,390
Derivative Instruments, Payment Expense	0	0	1,717
Loss on interest rate swap	0	0	2,033
Other expense (income), net	10,730	(5,064)	(5,366)
Loss from continuing operations before benefit (provision) for income taxes and share of net income from joint venture	(53,671)	(31,069)	(22,442)
Benefit (provision) for income taxes	(2,285)	(1,621)	1,756
Share of net income from joint venture	5,806	6,592	6,261
Loss from continuing operations	(50,150)	(26,098)	(14,425)
Income from discontinued operations, net of tax (Note 2)	0	0	1,200
Net loss	(50,150)	(26,098)	(13,225)
Other comprehensive income (loss):
Foreign currency translation gain (loss)	1,410	(8,156)	(1,135)
Change in fair value, net of tax	(230)	3,358	59
Reclassification adjustments included in net loss, net of tax	1,815	420	(2,906)
Other comprehensive income (loss)	(635)	(5,218)	1,830
Comprehensive loss	$ (50,785)	$ (31,316)	$ (11,395)
Basic net loss per common share:
Loss from continuing operations per common share (in usd per share)	$ (1.35)	$ (0.83)	$ (0.82)
Income (loss) from discontinued operations per common share (in usd per share)	0	0	0.03
Net loss per common share (in usd per share)	$ (1.35)	$ (0.83)	$ (0.79)
Weighted average common shares outstanding (in shares)	46,738	44,680	44,011
Diluted net loss per common share:
Diluted loss from continuing operations per common share (in usd per share)	$ (1.35)	$ (0.83)	$ (0.82)
Diluted income (loss) from discontinued operations per common share (in usd per share)	0	0	0.03
Net loss per common share (in usd per share)	$ (1.35)	$ (0.83)	$ (0.79)
Weighted average common shares outstanding (in shares)	46,738	44,680	44,011