BUSINESS ACQUISITION - Narrative (Details) $ in Thousands		3 Months Ended
	Jan. 27, 2026 USD ($) property tractor site trailer	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)
Business Combination [Line Items]
Total revenues		$ 808,610	$ 712,114
Net income		(4,461)	$ (10,221)
FirstFleet
Business Combination [Line Items]
Percentage of equity interests acquired	100.00%
Properties acquired | property	11
Total provisional purchase price (fair value of consideration)	$ 214,800	214,755
Cash paid for acquisition	184,800
Contingent consideration arrangement	30,000	30,000
Contingent earnout payment , minimum	0
Contingent earnout payment , maximum	$ 35,000
Tractors | tractor	2,400
Trailers | trailer	11,000
Strategically located properties | property	37
Customer Sites | site	130
Acquisition - related cost, expense		5,900
Finite-lived intangible assets		22,600
FirstFleet | Truckload Transportation Services
Business Combination [Line Items]
Total revenues		107,900
Net income		$ 1,900