SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Estimated Useful Life (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Building and improvements
Property, Plant and Equipment [Line Items]
Lives	30 years
Salvage Value (as a percent)	0.00%
Tractors
Property, Plant and Equipment [Line Items]
Lives	80 months
Trailers
Property, Plant and Equipment [Line Items]
Lives	12 years
Salvage Values	$ 6
Service and other equipment
Property, Plant and Equipment [Line Items]
Salvage Value (as a percent)	0.00%
Minimum | Tractors
Property, Plant and Equipment [Line Items]
Salvage Values	$ 0
Minimum | Service and other equipment
Property, Plant and Equipment [Line Items]
Lives	3 years
Maximum | Tractors
Property, Plant and Equipment [Line Items]
Salvage Values	$ 10
Maximum | Service and other equipment
Property, Plant and Equipment [Line Items]
Lives	10 years