Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2018

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Major Classes of Assets and Liabilities

The major classes of line items constituting the pretax profit or loss for the three and six months ended June 30, 2018 and 2017 are as follows (in thousands):

	Three months ended June 30,					Six months ended June 30,
	2018		2017			2018			2017
Revenue	$	—	$	23,814		$	12,346		$	44,398
COSTS AND EXPENSES
Costs applicable to sales(1)	—		23,392			12,269			41,614
Amortization	—		2,212			—			3,623
General and administrative	—		17			41			25
Pre-development, reclamation, and other	—		281			265			1,025
OTHER INCOME (EXPENSE), NET
Interest expense, net of capitalized interest	—		(6		)	(3		)	(12		)
Other, net	—		161			(260		)	501
Pretax profit (loss) on discontinued operations related to major classes of pretax profit (loss)	—		(1,933		)	(492		)	(1,400		)
Pretax gain on the disposal of the discontinued operation	—		—			1,525			—
Total pretax gain or loss on discontinued operations	—		(1,933		)	1,033			(1,400		)
Income and mining tax (expense) benefit	—		973			(483		)	804
Income (loss) from discontinued operations	$	—	$	(960	)	$	550		$	(596	)

(1) Excludes amortization.