Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2019

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Major Classes of Assets and Liabilities

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Revenue	$	—	$	—	$	—	$	12,346
COSTS AND EXPENSES
Costs applicable to sales(1)	—		—		—		12,269
General and administrative	—		—		—		41
Pre-development, reclamation, and other	—		—		—		265
OTHER INCOME (EXPENSE), NET
Interest expense, net of capitalized interest	—		—		—		(3		)
Other, net	—		—		—		(260		)
Pretax profit (loss) on discontinued operations related to major classes of pretax profit (loss)	—		—		—		(492		)
Pretax gain on the disposal of the discontinued operation	—		—		5,693		1,525
Total pretax gain or loss on discontinued operations	—		—		5,693		1,033
Income and mining tax (expense) benefit	—		—		—		(483		)
Income (loss) from discontinued operations	$	—	$	—	$	5,693	$	550

(1) Excludes amortization.