Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net sales	$ 127,297	$ 117,244	$ 380,726	$ 367,205
Cost of sales (exclusive of depreciation and amortization shown separately below)	108,033	98,642	316,500	298,127
Selling, general, and administrative expense	10,205	12,181	38,453	40,341
Depreciation and amortization	11,193	11,605	33,962	34,860
Other operating expense (income), net	(17)	(572)	1,862	(901)
Loss from operations	(2,117)	(4,612)	(10,051)	(5,222)
Interest expense	3,746	3,578	10,673	9,175
Loss on extinguishment of debt and write-off of debt issuance costs	0	0	0	2,390
Derivative payments on interest rate swap	0	0	0	1,717
Other expense (income), net	(1,156)	(4,346)	(4,219)	(2,788)
Loss before benefit (provision) for income taxes and share of net income from joint venture	(4,707)	(3,844)	(16,505)	(17,749)
Benefit (provision) for income taxes	1,068	(375)	(1,514)	612
Share of net income from joint venture	1,424	842	3,935	3,456
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total	(2,215)	(3,377)	(14,084)	(13,681)
Net loss	(2,215)	(3,377)	(14,084)	(13,681)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	(7,653)	(2,612)	(13,543)	(1,550)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	904	(176)	2,464	(176)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	(116)	22	(51)	2,873
Other Comprehensive Income (Loss), Net of Tax, Total	(6,865)	(2,766)	(11,130)	1,147
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ (9,080)	$ (6,143)	$ (25,214)	$ (12,534)
Earnings Per Share, Basic [Abstract]
Net loss per common share (in dollars per shares)	$ (0.11)	$ (0.13)	$ (0.49)	$ (0.75)
Weighted average common shares outstanding, basic (in shares)	44,711	44,455	44,670	43,862
Earnings Per Share, Diluted [Abstract]
Net loss per common share (in dollars per share)	$ (0.11)	$ (0.13)	$ (0.49)	$ (0.75)
Weighted average common shares outstanding, diluted (in shares)	44,711	44,455	44,670	43,862
Gain (Loss) on Derivative Instruments, Net, Pretax	$ 0	$ 0	$ 0	$ 2,033