Discontinued Operations - Statements of Operation (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from discontinued operations	$ 10,397	$ (302)	$ 1,493	$ 2,609	$ 906	$ 1,554	$ 11,588	$ 5,069
Disposed of by Sale | Cab structures
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from discontinued operations	18,814			2,130			22,327	7,060
Held-for-Sale | Industrial Automation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from discontinued operations	$ (8,417)			$ 479			$ (10,739)	$ (1,991)