SEGMENT INFORMATION - Reconciliation of Adjusted EBITDA to Net Loss (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	$ 34,256		$ 27,677		$ 61,487	$ 49,573
Add: Non-controlling share of Adjusted EBITDA	8,305		4,946		13,987	10,167
Add: Equity in losses of unconsolidated entities	(12,788)		(1,625)		(24,690)	2,741
Less: Interest and other costs on pension and OPEB liabilities	138		(480)		(462)	(960)
Less: Dividends and accretion of redeemable preferred stock	(17,610)	$ (16,975)	(15,257)	$ (14,570)	(34,585)	(29,827)
Less: Pro-rata share of Adjusted EBITDA from unconsolidated entities	(3,208)		(6,886)		(9,465)	(15,076)
Less: Interest expense	(29,690)		(24,182)		(57,283)	(47,432)
Less: Depreciation and amortization expense	(21,596)		(20,292)		(42,693)	(40,427)
Less: Incentive allocations	0		0		0	0
Less: Asset impairment charges	0		(602)		0	(743)
Less: Changes in fair value of non-hedge derivative instruments	0		0		0	(1,125)
Less: Losses on the modification or extinguishment of debt and capital lease obligations	(9,170)		0		(9,170)	0
Less: Acquisition and transaction expenses	(921)		(636)		(1,847)	(905)
Less: Equity-based compensation expense	(1,799)		(642)		(4,139)	(1,537)
Less: Provision for income taxes	(267)		(823)		(2,072)	(2,552)
Less: Other non-recurring items	0		(51)		0	(1,339)
Net income (loss) attributable to stockholders	(54,350)		(38,853)		(110,932)	(79,442)
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(4,753)		(7,028)		(12,831)	(13,544)
Add: Equity in losses of unconsolidated entities	12		13		21	34
Less: Asset impairment charges			0			0
Less: Acquisition and transaction expenses	(362)		(367)		(1,102)	(430)
Less: Provision for income taxes	188		89		(1,215)	(730)
Net income (loss) attributable to stockholders	(41,472)		(37,738)		(87,469)	(74,163)
Railroad | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	22,121		20,304		43,779	37,455
Add: Equity in losses of unconsolidated entities	0		0		0	0
Less: Asset impairment charges			(602)			(743)
Less: Acquisition and transaction expenses	(153)		(184)		(337)	(367)
Less: Provision for income taxes	(1,092)		(720)		(2,184)	(1,318)
Net income (loss) attributable to stockholders	15,788		11,786		30,224	19,884
Jefferson Terminal | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	12,328		7,082		19,129	13,600
Add: Equity in losses of unconsolidated entities	0		0		0	0
Less: Asset impairment charges			0			0
Less: Acquisition and transaction expenses	(8)		(36)		(10)	(36)
Less: Provision for income taxes	612		(152)		1,166	(350)
Net income (loss) attributable to stockholders	(14,152)		(8,765)		(25,272)	(17,927)
Repauno | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(1,502)		(1,636)		(3,185)	(6,497)
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	25		(40)		161	(154)
Net income (loss) attributable to stockholders	(4,160)		(4,510)		(8,420)	(13,341)
Power and Gas | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	8,846		10,403		19,238	21,717
Add: Equity in losses of unconsolidated entities	(7,336)		1,639		(14,373)	9,400
Less: Asset impairment charges			0			0
Less: Acquisition and transaction expenses	(398)		(49)		(398)	(71)
Less: Provision for income taxes	0		0		0	0
Net income (loss) attributable to stockholders	(5,173)		3,059		(10,600)	11,601
Sustainability | Operating Segments
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(2,784)		(1,448)		(4,643)	(3,158)
Add: Equity in losses of unconsolidated entities	(5,464)		(3,277)		(10,338)	(6,693)
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	$ (5,181)		$ (2,685)		$ (9,395)	$ (5,496)