Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total Revenue from Contracts with Customers	$ 654,023	$ 604,916	$ 1,331,620	$ 1,141,086
Loss on Commodity Derivatives, net	0	(68,352)	0	(256,506)
Miscellaneous Other Income	6,934	7,690	12,218	12,022
Gain on Sale of Assets	10	365	5,736	6,546
Total Revenue and Other Income	660,967	544,619	1,349,574	903,148
Costs and Expenses:
Operating and Other Costs	276,596	244,217	537,223	463,299
Depreciation, Depletion and Amortization	64,528	57,880	124,079	113,834
Freight Expense	81,556	50,411	149,063	88,800
General and Administrative Costs	25,147	27,911	42,445	64,513
Loss on Debt Extinguishment	688	1,565	2,063	3,687
Interest Expense	7,155	13,121	17,434	27,473
Total Costs and Expenses	455,670	395,105	872,307	761,606
Earnings Before Income Tax	205,297	149,514	477,267	141,542
Income Tax Expense	37,574	23,223	79,167	19,701
Net Income	$ 167,723	$ 126,291	$ 398,100	$ 121,841
Earnings per Share:
Total Basic Earnings (Loss) per Share (in dollars per share)	$ 5.00	$ 3.62	$ 11.69	$ 3.51
Total Dilutive Earnings (Loss) per Share (in dollars per share)	4.94	3.54	11.53	3.42
Dividends Declared per Common Share (in dollars per share)	$ 1.10	$ 0	$ 2.20	$ 0
Coal Revenue
Total Revenue from Contracts with Customers	$ 541,099	$ 532,726	$ 1,124,478	$ 1,009,110
Terminal Revenue
Total Revenue from Contracts with Customers	31,368	21,779	58,079	43,176
Freight Revenue
Total Revenue from Contracts with Customers	$ 81,556	$ 50,411	$ 149,063	$ 88,800