SEGMENTS - Schedule of Major Product Categories and Percentage of Consolidated Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Product Information [Line Items]
Net sales	$ 303,229	$ 380,890
New trailers
Product Information [Line Items]
Net sales	204,933	233,375
Used trailers
Product Information [Line Items]
Net sales	1,044	1,500
Components, parts and services
Product Information [Line Items]
Net sales	33,086	31,502
Equipment and other
Product Information [Line Items]
Net sales	64,166	114,513
Transportation Solutions
Product Information [Line Items]
Net sales	249,456	329,048
Parts & Services
Product Information [Line Items]
Net sales	53,773	51,842
Operating Segments \| Transportation Solutions
Product Information [Line Items]
Net sales	250,176	346,803
Operating Segments \| Transportation Solutions \| New trailers
Product Information [Line Items]
Net sales	205,447	251,045
Operating Segments \| Transportation Solutions \| Used trailers
Product Information [Line Items]
Net sales	0	0
Operating Segments \| Transportation Solutions \| Components, parts and services
Product Information [Line Items]
Net sales	0	0
Operating Segments \| Transportation Solutions \| Equipment and other
Product Information [Line Items]
Net sales	44,729	95,758
Operating Segments \| Parts & Services
Product Information [Line Items]
Net sales	54,069	51,955
Operating Segments \| Parts & Services \| New trailers
Product Information [Line Items]
Net sales	0	0
Operating Segments \| Parts & Services \| Used trailers
Product Information [Line Items]
Net sales	1,044	1,500
Operating Segments \| Parts & Services \| Components, parts and services
Product Information [Line Items]
Net sales	33,086	31,502
Operating Segments \| Parts & Services \| Equipment and other
Product Information [Line Items]
Net sales	19,939	18,953
Intersegment sales
Product Information [Line Items]
Net sales	(1,016)	(17,868)
Intersegment sales \| New trailers
Product Information [Line Items]
Net sales	(514)	(17,670)
Intersegment sales \| Used trailers
Product Information [Line Items]
Net sales	0	0
Intersegment sales \| Components, parts and services
Product Information [Line Items]
Net sales	0
Intersegment sales \| Equipment and other
Product Information [Line Items]
Net sales	(502)	(198)
Intersegment sales \| Transportation Solutions
Product Information [Line Items]
Net sales	(720)	(17,755)
Intersegment sales \| Parts & Services
Product Information [Line Items]
Net sales	$ (296)	$ (113)
Product Concentration Risk \| Sales Revenue, Net
Product Information [Line Items]
Percentage of consolidated net sales	100.00%	100.00%
Product Concentration Risk \| New trailers \| Sales Revenue, Net
Product Information [Line Items]
Percentage of consolidated net sales	67.60%	61.30%
Product Concentration Risk \| Used trailers \| Sales Revenue, Net
Product Information [Line Items]
Percentage of consolidated net sales	0.30%	0.40%
Product Concentration Risk \| Components, parts and services \| Sales Revenue, Net
Product Information [Line Items]
Percentage of consolidated net sales	10.90%	8.30%
Product Concentration Risk \| Equipment and other \| Sales Revenue, Net
Product Information [Line Items]
Percentage of consolidated net sales	21.20%	30.10%