Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Total Revenue from Contracts with Customers	$ 530,067	$ 292,016	$ 1,671,103	$ 925,998
Loss on Commodity Derivatives, net	(65)	(147,306)	(256,571)	(167,743)
Miscellaneous Other Income	5,088	4,281	17,160	9,504
Gain on Sale of Assets	26,548	21	33,094	10,563
Total Revenue and Other Income	561,638	149,012	1,464,786	778,322
Costs and Expenses:
Operating and Other Costs	229,669	188,951	692,968	549,590
Depreciation, Depletion and Amortization	54,773	55,977	168,607	168,073
Freight Expense	42,619	19,348	131,419	72,371
General and Administrative Costs	30,406	22,606	94,919	68,631
Loss (Gain) on Debt Extinguishment	674	132	4,361	(657)
Interest Expense, net	11,962	16,045	39,435	47,493
Total Costs and Expenses	370,103	303,059	1,131,709	905,501
Earnings (Loss) Before Income Tax	191,535	(154,047)	333,077	(127,179)
Income Tax Expense (Benefit)	39,414	(40,258)	59,115	(43,966)
Net Income (Loss)	$ 152,121	$ (113,789)	$ 273,962	$ (83,213)
Earnings (Loss) per Share:
Total Basic Earnings (Loss) per Share (in dollars per share)	$ 4.36	$ (3.30)	$ 7.87	$ (2.42)
Total Dilutive Earnings (Loss) per Share (in dollars per share)	4.25	(3.30)	7.68	(2.42)
Dividends per share (in dollars per share)	$ 1	$ 0	$ 1.00	$ 0
Coal Revenue [Member]
Total Revenue from Contracts with Customers	$ 472,608	$ 258,560	$ 1,481,668	$ 803,927
Terminal Revenue [Member]
Total Revenue from Contracts with Customers	14,840	14,108	58,016	49,700
Freight Revenue [Member]
Total Revenue from Contracts with Customers	$ 42,619	$ 19,348	$ 131,419	$ 72,371