CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Sales	$ 200,128		$ 182,820		$ 362,326	$ 343,357
Cost of goods sold	150,406		129,157		286,988	250,471
Gross profit	49,722		53,663		75,338	92,886
Selling, general and administrative expenses	22,661		22,707		44,006	44,310
Other operating expense, net	9,252		3,108		14,433	6,774
Operating income	17,809		27,848		16,899	41,802
Equity in net (income) from affiliated companies	(1,928)		(1,392)		(10,844)	(3,464)
Interest expense, net	11,117		12,895		22,127	26,304
Debt modification and extinguishment costs	0		4,560		960	4,560
Other expense, net	570		410		755	627
Income before income taxes	8,050		11,375		3,901	13,775
Provision for income taxes	2,064		3,080		1,512	4,259
Net income	$ 5,986	$ (3,597)	$ 8,295	$ 1,221	$ 2,389	$ 9,516
Net income per share:
Basic income per share (in dollars per share)	$ 0.05		$ 0.07		$ 0.02	$ 0.08
Diluted income per share (in dollars per share)	$ 0.05		$ 0.07		$ 0.02	$ 0.08
Weighted average shares outstanding:
Basic (in shares)	116,232,528		116,912,332		116,745,476	116,935,708
Diluted (in shares)	116,535,060		117,635,289		117,044,461	117,545,240