Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule Of Operating Segment Results

(In thousands)	PRB		MET		Other Thermal		Corporate, Other and Eliminations			Consolidated
Year Ended December 31, 2019
Revenues	$	915,750	$	990,550	$	377,202	10,850			$	2,294,352
Adjusted EBITDA	110,528		305,363		41,495		(94,219		)	363,167
Depreciation, depletion and amortization	20,810		74,211		14,414		2,620			112,055
Accretion on asset retirement obligation	12,542		2,123		2,413		3,470			20,548
Total Assets	256,460		625,134		105,411		880,751			1,867,756
Capital expenditures	29,420		211,718		20,088		5,130			266,356
Year Ended December 31, 2018
Revenues	$	973,248	$	1,036,621	$	428,884	$	13,034		$	2,451,787
Adjusted EBITDA	126,525		349,524		68,620		(106,891		)	437,778
Depreciation, depletion and amortization	33,120		69,560		14,699		2,184			119,563
Accretion on asset retirement obligation	19,541		1,874		2,261		4,294			27,970
Total assets	278,314		545,061		125,333		938,352			1,887,060
Capital expenditures	12,140		64,307		11,999		6,826			95,272
Year Ended December 31, 2017
Revenues	$	1,024,197	$	887,839	$	396,504	$	16,083		$	2,324,623
Adjusted EBITDA	158,882		243,616		102,006		(84,807		)	419,697
Depreciation, depletion and amortization	36,349		70,896		13,588		1,631			122,464
Accretion on asset retirement obligation	20,160		2,000		2,161		5,888			30,209
Total assets	390,665		548,476		134,397		906,094			1,979,632
Capital expenditures	6,212		32,678		11,901		8,414			59,205

Reconciliation Statement Of Segment Income From Operations To Consolidated Income Before Income Taxes

A reconciliation of segment Adjusted EBITDA to consolidated income (loss) from continuing operations before income taxes follows:

(In thousands)	Year Ended December 31, 2019			Year Ended December 31, 2018		Year Ended December 31, 2017
Income before income taxes	$	234,047		$	260,101	$	203,195
Interest expense, net	6,794			13,689		24,256
Depreciation, depletion and amortization	112,055			119,563		122,464
Accretion on asset retirement obligations	20,548			27,970		30,209
Amortization of sales contracts, net	(434		)	11,107		53,985
Costs related to proposed joint venture with Peabody Energy	13,816			—		—
Loss on sale of Coal-Mac LLC	9,008			—		—
Preference Rights Lease Application settlement income	(39,000		)	—		—
Loss (gain) on sale of Lone Mountain Processing, Inc.	4,304			—		(21,297		)
Net loss resulting from early retirement of debt and debt restructuring	—			485		2,547
Non-service related postretirement benefit costs	2,053			3,202		1,940
Reorganization items, net	(24		)	1,661		2,398
Adjusted EBITDA	$	363,167		$	437,778	$	419,697