Business Segments - Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income from operations:
Total segment operating income	$ 7,323	$ 1,617	$ 17,461	$ 8,856
Gain on sale of former joint venture facility	0	0	3,477	0
Interest expense - net	(1,358)	(1,442)	(3,976)	(4,404)
Other income (expense) - net	188	151	525	(2,782)
Public company costs	(1,327)	(1,371)	(4,167)	(3,244)
Corporate executive management costs	(839)	(760)	(4,131)	(2,281)
Corporate management stock-based compensation	(339)	(587)	(1,818)	(1,735)
Other	(215)	(330)	(457)	(347)
Income before income taxes	6,153	326	14,010	1,670
Depreciation/Amortization:
Depreciation/amortization	3,486	3,839	10,562	11,568
Expenditures for Long-Lived Assets:
Expenditures for long-lived assets	3,067	1,289	7,834	2,784
Operating Segments
Income from operations:
Total segment operating income	10,043	4,665	24,557	16,463
Gain on sale of former joint venture facility	0	0	3,477	0
Depreciation/Amortization:
Depreciation/amortization	3,019	3,373	9,172	10,214
Expenditures for Long-Lived Assets:
Expenditures for long-lived assets	2,816	879	6,865	1,945
Unallocated corporate assets
Depreciation/Amortization:
Depreciation/amortization	467	466	1,390	1,354
Expenditures for Long-Lived Assets:
Expenditures for long-lived assets	$ 251	$ 410	$ 969	$ 839