INTANGIBLE ASSETS, NET - Schedule of Carrying Amounts of Goodwill (Details) $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 365,703
Goodwill classified as held for sale	(90,337)
Goodwill, Ending Balance	275,366
Operating Segments \| Railroad
Goodwill [Roll Forward]
Goodwill, Beginning Balance	147,235
Goodwill classified as held for sale	0
Goodwill, Ending Balance	147,235
Operating Segments \| Jefferson Terminal
Goodwill [Roll Forward]
Goodwill, Beginning Balance	122,735
Goodwill classified as held for sale	0
Goodwill, Ending Balance	122,735
Operating Segments \| Power and Gas
Goodwill [Roll Forward]
Goodwill, Beginning Balance	90,337
Goodwill classified as held for sale	(90,337)
Goodwill, Ending Balance	0
Corporate and Other
Goodwill [Roll Forward]
Goodwill, Beginning Balance	5,396
Goodwill classified as held for sale	0
Goodwill, Ending Balance	$ 5,396

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details