CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Coal revenues	$ 468,367	$ 606,960
Other revenues	2,093	2,154
Total revenues	470,460	609,114
Costs and expenses:
Cost of coal sales (exclusive of items shown separately below)	397,860	515,694
Depreciation, depletion and amortization	54,465	61,271
Accretion on asset retirement obligations	7,375	6,232
Amortization of acquired intangibles, net	865	(6,683)
Asset impairment	33,709	0
Selling, general and administrative expenses (exclusive of depreciation, depletion and amortization shown separately above)	15,481	20,951
Merger-related costs	0	831
Total other operating (income) loss:
Mark-to-market adjustment for acquisition-related obligations	(14,997)	1,936
Other income	(580)	(8,899)
Total costs and expenses	494,178	591,333
(Loss) income from operations	(23,718)	17,781
Other income (expense):
Interest expense	(17,605)	(15,155)
Interest income	978	1,936
Equity loss in affiliates	(743)	(484)
Miscellaneous loss, net	(908)	(866)
Total other expense, net	(18,278)	(14,569)
(Loss) income from continuing operations before income taxes	(41,996)	3,212
Income tax benefit	2,188	4,778
Net (loss) income from continuing operations	(39,808)	7,990
Discontinued operations:
Loss from discontinued operations before income taxes	0	(1,590)
Income tax benefit from discontinued operations	0	415
Loss from discontinued operations	0	(1,175)
Net (loss) income	$ (39,808)	$ 6,815
Basic (loss) income per common share:
(Loss) income from continuing operations (in dollars per share)	$ (2.18)	$ 0.42
Loss from discontinued operations (in dollars per share)	0.00	(0.06)
Net (loss) income (in dollars per share)	(2.18)	0.36
Diluted (loss) income per common share:
(Loss) income from continuing operations (in dollars per share)	(2.18)	0.41
Loss from discontinuing operations (in dollars per share)	0.00	(0.06)
Net (loss) income (in dollars per share)	$ (2.18)	$ 0.35
Weighted average shares - basic (in shares)	18,245,911	18,894,315
Weighted average shares - diluted (in shares)	18,245,911	19,538,629