Discontinued Operations and Assets Held For Sale (Tables)

12 Months Ended

Dec. 31, 2018

Discontinued Operations And Disposal Groups [Abstract]

Schedule of Activity From Discontinued Operations

Activity from discontinued operations was as follows (in thousands):

	Year ended December 31,
	2018			2017			2016
Total revenues	$	—		$	—		$	—
Impairments		(1,268	)		(1,042	)		(4,248	)
Changes in environmental estimates		564			3,169			3,010
Other operating income		—			11			2
Earnings (loss) from operating activities		(704	)		2,138			(1,236	)
(Loss) gains from dispositions of real estate		—			—			(178	)
Earnings (loss) from discontinued operations	$	(704	)	$	2,138		$	(1,414	)