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SEGMENT INFORMATION - Narrative (Details)	3 Months Ended
	Mar. 31, 2024 a freightRailroad	Mar. 31, 2024 a switchingCompany	Mar. 31, 2024 a segment
Segment Reporting Information [Line Items]
Number of reportable segments | segment			5
Railroad
Segment Reporting Information [Line Items]
Number of segment components	6	1
Repauno
Segment Reporting Information [Line Items]
Area of real estate	1,630,000	1,630,000	1,630,000
Long Ridge Energy & Power LLC
Segment Reporting Information [Line Items]
Area of real estate	1,660,000	1,660,000	1,660,000

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

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