Investments in Privately-held Raw Material Companies - Minority Investment Entities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Net revenue	$ 23,645	$ 17,366	$ 74,256	$ 55,366
Gross profit	5,682	1,866	19,428	8,691
Net income	(2,887)	(6,415)	(6,134)	(15,434)
Five Minority Investments
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Net revenue	10,473	8,834	27,915	24,486
Gross profit	4,876	2,620	12,966	8,174
Operating income	4,135	1,962	11,541	7,134
Net income	3,443	1,449	8,624	6,307
Gross Profit
Entity income (loss) excluding impairment	$ 1,000	$ 400	$ 2,500	$ 1,400