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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands					1 Months Ended	6 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	Feb. 26, 2026 USD ($)	Dec. 01, 2025 miles party segment	Nov. 13, 2019 party	May 31, 2016 USD ($)	Oct. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2010 USD ($)
Loss Contingencies [Line Items]
Environmental loss contingency, number of operable units \| segment		3
Number of miles apart original superfund site located from former branch facility \| miles		5
Chassis converter pool agreements						$ 35,550	$ 59,599
Chassis converter pool, delivery period						90 days
Freightvana Logistics, Inc
Loss Contingencies [Line Items]
Lease term	6 years
Guarantor obligation, term	24 months
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Dry Van Trailers
Loss Contingencies [Line Items]
Consideration	$ 6,700
General and administrative expense						$ 500
Indiana Department of Environmental Management
Loss Contingencies [Line Items]
Environmental loss contingency, potentially responsible party \| party			1
Environmental Protection Agency
Loss Contingencies [Line Items]
Environmental loss contingency, potentially responsible party \| party		1
Arizona Department of Environmental Quality
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies								$ 100,000
Environmental loss contingency, statutorily required public, period				30 days
Payments for legal settlements				$ 200
Litigation settlement, fee expense					$ 12,900