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GOODWILL & OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2025
Goodwill [Roll Forward]
Goodwill, gross	$ 296,841	$ 296,809	$ 305,062
Accumulated impairment losses	(108,400)	(108,400)	(108,400)
Net goodwill	188,441	188,409	196,662
Acquisition of Trailerhawk AI, LLC	8,220
Effects of foreign currency	1	32
Transportation Solutions
Goodwill [Roll Forward]
Goodwill, gross	188,763	188,743	188,763
Accumulated impairment losses	(68,257)	(68,257)	(68,257)
Net goodwill	120,506	120,486	120,506
Acquisition of Trailerhawk AI, LLC	0
Effects of foreign currency	0	20
Parts & Services
Goodwill [Roll Forward]
Goodwill, gross	108,078	108,066	116,299
Accumulated impairment losses	(40,143)	(40,143)	(40,143)
Net goodwill	67,935	67,923	$ 76,156
Acquisition of Trailerhawk AI, LLC	8,220
Effects of foreign currency	$ 1	$ 12

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