GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill by Segment (Details) $ in Thousands	Dec. 31, 2025 USD ($)
Increase (Decrease) in Goodwill [Roll Forward]
Beginning balance	$ 129,104
Ending balance	129,104
Goodwill	129,104
TTS
Increase (Decrease) in Goodwill [Roll Forward]
Beginning balance	46,056
Ending balance	46,056
Goodwill	46,056
Werner Logistics
Increase (Decrease) in Goodwill [Roll Forward]
Beginning balance	83,048
Ending balance	83,048
Goodwill	$ 83,048