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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Thousands		3 Months Ended					4 Months Ended	12 Months Ended
	Aug. 31, 2021 segment	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) segment	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Number of operating segments \| segment							2	2
Number of reportable segments \| segment	3						2	2
Goodwill		$ 188,443			$ 199,560		$ 188,443	$ 188,443	$ 199,560	$ 311,026
Goodwill impairments								11,101	4,685
Goodwill, impairment loss									106,737
Impairment				$ 800				29,163	107,114	0
Amortization of intangibles								22,858	21,981	20,471
2022		14,900					14,900	14,900
2023		12,500					12,500	12,500
2024		12,300					12,300	12,300
2025		11,400					11,400	11,400
2026		10,700					10,700	10,700
Trade names and trademarks
Goodwill [Line Items]
Impairment		28,300
Beall Tank Trailers \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Goodwill [Line Items]
Goodwill impairments					4,700
Impairment of intangible assets					1,100
Extract Technology
Goodwill [Line Items]
Goodwill impairments			$ 11,100
Extract Technology \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Goodwill [Line Items]
Impairment of intangible assets			1,300
Final Mile Products Segment
Goodwill [Line Items]
Goodwill, impairment loss						$ 95,800
Tank Trailers Reporting Unit
Goodwill [Line Items]
Goodwill, impairment loss						$ 11,000
Transportation Solutions
Goodwill [Line Items]
Goodwill		120,507			$ 120,518		120,507	120,507	120,518	$ 193,488
Goodwill impairments								0	4,685
Goodwill, impairment loss									$ 68,257
Transportation Solutions \| Trade names and trademarks
Goodwill [Line Items]
Impairment		25,600
Parts & Services
Goodwill [Line Items]
Goodwill		67,900					$ 67,900	$ 67,900
Parts & Services \| Trade names and trademarks
Goodwill [Line Items]
Impairment		$ 2,700
Parts & Services \| Extract Technology
Goodwill [Line Items]
Goodwill impairments			$ (11,100)