Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 498,738	$ 477,584	$ 427,534
Cost of sales (exclusive of depreciation and amortization shown separately below)	421,105	389,995	343,594
Selling, general, and administrative expense	49,635	51,489	58,055
Depreciation and amortization	47,231	46,195	45,680
Goodwill impairment of continuing operations	0	0	92,942
Other operating expense (income), net	1,859	(1,091)	4,720
Loss from operations	(21,092)	(9,004)	(117,457)
Interest expense	15,041	12,664	18,898
Loss on extinguishment of debt and write-off of debt issuance costs	0	2,390	144
Derivative payments on interest rate swap	0	1,717	4,133
Loss on interest rate swap	0	2,033	11,669
Other expense (income), net	(5,064)	(5,366)	(213)
Loss from continuing operations before benefit (provision) for income taxes and share of net income from joint venture	(31,069)	(22,442)	(152,088)
Benefit (provision) for income taxes	(1,621)	1,756	8,972
Share of net income from joint venture	6,592	6,261	3,626
Loss from continuing operations	(26,098)	(14,425)	(139,490)
Income from discontinued operations, net of tax (Note 2)	0	1,200	38,898
Net loss	(26,098)	(13,225)	(100,592)
Other comprehensive income (loss):
Foreign currency translation loss	(8,156)	(1,135)	(1,683)
Reclassification adjustment for discontinued operations	0	0	(5,961)
Change in fair value, net of tax	3,358	59	(12,443)
Reclassification adjustment for (gains) losses included in net loss, net of tax	420	(2,906)	(18,987)
Other comprehensive income (loss)	(5,218)	1,830	10,822
Comprehensive loss	$ (31,316)	$ (11,395)	$ (89,770)
Basic net loss per common share:
Loss from continuing operations per common share (in usd per share)	$ (0.83)	$ (0.82)	$ (3.60)
Income (loss) from discontinued operations per common share (in usd per share)	0	0.03	0.92
Net loss per common share (in usd per share)	$ (0.83)	$ (0.79)	$ (2.68)
Weighted average common shares outstanding (in shares)	44,680	44,011	42,199
Diluted net loss per common share:
Diluted loss from continuing operations per common share (in usd per share)	$ (0.83)	$ (0.82)	$ (3.60)
Income (loss) from discontinued operations per common share (in usd per share)	0	0.03	0.92
Net loss per common share (in usd per share)	$ (0.83)	$ (0.79)	$ (2.68)