Discontinued Operations - Summary of Statements of Operation By Disposal Group (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) from discontinued operations - Note 18	$ (260)	$ (655)	$ (1,173)	$ 10,397	$ (302)	$ 1,493	$ (2,088)	$ 11,588
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income (loss) from discontinued operations - Note 18	(260)			10,397			(2,088)	11,588
Disposed of by Sale | Cab structures business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0			24,795			(657)	89,187
Cost of revenues	0			33,627			878	93,367
Gross profit	0			(8,832)			(1,535)	(4,180)
Selling, general and administrative expenses	0			0			0	0
Operating income (loss)	0			(8,832)			(1,535)	(4,180)
Income (loss) before provision for income taxes	(85)			(8,832)			(1,620)	(4,180)
Provision (benefit) for income taxes of discontinued operations	0			(425)			0	714
Earnings (loss) from discontinued operations - before gain on sale of discontinued operations	(85)			(8,407)			(1,620)	(4,894)
Gain (loss) on disposition of discontinued operations, net of income taxes	0			27,221			0	27,221
Net income (loss) from discontinued operations - Note 18	(85)			18,814			(1,620)	22,327
Disposed of by Sale | Industrial Automation segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0			5,350			(150)	14,641
Cost of revenues	0			5,185			0	15,107
Gross profit	0			165			(150)	(466)
Selling, general and administrative expenses	0			747			0	3,009
Operating income (loss)	0			(582)			(150)	(3,475)
Interest expense	0			64			0	201
Income (loss) before provision for income taxes	(175)			(646)			(468)	(3,676)
Provision (benefit) for income taxes of discontinued operations	0			(38)			0	(746)
Net income (loss) from discontinued operations - Note 18	(175)			(8,417)			(468)	(10,739)
Held-for-Sale | Industrial Automation segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other (income) expense	175			0			318	0
Earnings (loss) from discontinued operations - before gain on sale of discontinued operations	(175)			(608)			(468)	(2,930)
Gain (loss) on disposition of discontinued operations, net of income taxes	0			(7,809)			0	(7,809)
Held-for-Sale or Disposed of by Sale | Industrial Automation segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other (income) expense	$ 85			$ 0			$ 85	$ 0