LOSS ON IMPAIRMENT (Tables)

6 Months Ended

Jun. 30, 2018

Restructuring and Related Activities [Abstract]

Asset Impairment Charges

To the extent that the carrying values of the long-lived asset groups exceeded the respective fair values, the Company recorded an asset impairment charge, as can be seen by segment and asset type in the table below for the three and six months ended June 30, 2018.

	Reportable Segment
	Coal - U.S.		Coal - WMLP		Consolidated
	(In thousands)
Asset impairment charges:
Land, mineral rights, property, plant and equipment, net	$	59,262	$	50,717	$	109,979
Advanced coal royalties	4,719		3,145		7,864
Other assets	1,668		23,813		25,481
	$	65,649	$	77,675	$	143,324