SEGMENT INFORMATION - Reconciliation of Adjusted EBITDA to Net Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	$ 36,928	$ 24,655			$ 98,415	$ 74,228
Add: Non-controlling share of Adjusted EBITDA	6,318	5,410			20,305	15,577
Add: Equity in losses of unconsolidated entities	(14,308)	(9,914)			(38,998)	(7,173)
Less: Interest and other costs on pension and OPEB liabilities	248	(480)			(214)	(1,440)
Dividends and accretion of redeemable preferred stock	(16,978)	(15,984)	$ (34,585)	$ (29,827)	(51,563)	(45,811)
Less: Pro-rata share of Adjusted EBITDA from unconsolidated entities	(5,625)	(5,554)			(15,090)	(20,630)
Less: Interest expense	(31,513)	(25,999)			(88,796)	(73,431)
Less: Depreciation and amortization expense	(20,725)	(20,150)			(63,418)	(60,577)
Less: Incentive allocations	0	0			0	0
Less: Asset impairment charges	0	0			0	(743)
Less: Changes in fair value of non-hedge derivative instruments	0	0			0	(1,125)
Less: Gains on the modification or extinguishment of debt and capital lease obligations	747	(2,020)			(8,423)	(2,020)
Less: Acquisition and transaction expenses	(2,526)	(649)			(4,373)	(1,554)
Less: Equity-based compensation expense	(2,629)	(4,277)			(6,768)	(5,814)
Less: Provision for income taxes	92	(8)			(1,980)	(2,560)
Less: Other non-recurring items	0	(1,131)			0	(2,470)
Net income (loss) attributable to stockholders	(49,971)	(56,101)			(160,903)	(135,543)
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(4,942)	(6,548)			(17,773)	(20,092)
Add: Equity in losses of unconsolidated entities	10	10			31	44
Less: Asset impairment charges		0				0
Less: Acquisition and transaction expenses	(750)	(383)			(1,852)	(813)
Less: Provision for income taxes	767	493			(448)	(237)
Net income (loss) attributable to stockholders	(40,303)	(41,239)			(127,772)	(115,402)
Railroad | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	21,080	17,434			64,859	54,889
Add: Equity in losses of unconsolidated entities	0	0			0	0
Less: Asset impairment charges		0				(743)
Less: Acquisition and transaction expenses	(95)	(186)			(432)	(553)
Less: Provision for income taxes	(1,174)	(524)			(3,358)	(1,842)
Net income (loss) attributable to stockholders	14,528	10,620			44,752	30,504
Jefferson Terminal | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	11,764	7,763			30,893	21,363
Add: Equity in losses of unconsolidated entities	0	0			0	0
Less: Asset impairment charges		0				0
Less: Acquisition and transaction expenses	0	(80)			(10)	(116)
Less: Provision for income taxes	426	126			1,592	(224)
Net income (loss) attributable to stockholders	(8,009)	(12,017)			(33,281)	(29,944)
Repauno | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(1,406)	(959)			(4,591)	(7,456)
Add: Equity in losses of unconsolidated entities	0	0			0	0
Less: Asset impairment charges		0				0
Less: Acquisition and transaction expenses	0	0			0	0
Less: Provision for income taxes	73	(103)			234	(257)
Net income (loss) attributable to stockholders	(4,987)	(4,946)			(13,407)	(18,287)
Power and Gas | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	11,105	7,970			30,343	29,687
Add: Equity in losses of unconsolidated entities	(10,474)	(7,057)			(24,847)	2,343
Less: Asset impairment charges		0				0
Less: Acquisition and transaction expenses	(1,681)	0			(2,079)	(71)
Less: Provision for income taxes	0	0			0	0
Net income (loss) attributable to stockholders	(8,562)	(6,301)			(19,162)	5,300
Sustainability | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(673)	(1,005)			(5,316)	(4,163)
Add: Equity in losses of unconsolidated entities	(3,844)	(2,867)			(14,182)	(9,560)
Less: Asset impairment charges		0				0
Less: Acquisition and transaction expenses	0	0			0	(1)
Less: Provision for income taxes	0	0			0	0
Net income (loss) attributable to stockholders	$ (2,638)	$ (2,218)			$ (12,033)	$ (7,714)