Segment Information - Schedule of Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net Income	$ 101,891	$ 230,377
Income Tax Expense	16,843	41,593
Interest Expense	5,406	10,279
Interest Income	(4,502)	(1,667)
Depreciation, Depletion and Amortization	56,997	59,551
Stock-Based Compensation	5,118	4,792
Loss on Debt Extinguishment	0	1,375
Adjusted EBITDA	181,753	346,300
Other, Corporate and Eliminations
Segment Reporting Information [Line Items]
Net Income	(30,111)	(63,688)
Income Tax Expense	16,843	41,593
Interest Expense	3,885	9,054
Interest Income	(3,209)	(1,259)
Depreciation, Depletion and Amortization	7,487	7,024
Stock-Based Compensation	685	623
Loss on Debt Extinguishment		1,375
Adjusted EBITDA	(4,420)	(5,278)
PAMC | Operating Segments
Segment Reporting Information [Line Items]
Net Income	118,171	276,276
Income Tax Expense	0	0
Interest Expense	0	(301)
Interest Income	(1,293)	(408)
Depreciation, Depletion and Amortization	48,269	51,371
Stock-Based Compensation	4,186	4,025
Loss on Debt Extinguishment		0
Adjusted EBITDA	169,333	330,963
CONSOL Marine Terminal | Operating Segments
Segment Reporting Information [Line Items]
Net Income	13,831	17,789
Income Tax Expense	0	0
Interest Expense	1,521	1,526
Interest Income	0	0
Depreciation, Depletion and Amortization	1,241	1,156
Stock-Based Compensation	247	144
Loss on Debt Extinguishment		0
Adjusted EBITDA	$ 16,840	$ 20,615