Discontinued Operations Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2018

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations

Summarized results from discontinued operations were as follows:

	For the Nine Months Ended September 30, 2018		For the Twelve Months Ended December 31,
			2017			2016
	(In thousands)
Revenues	$	—	$	15		$	5,862
Cost of oil and gas producing activities	—		(52		)	(6,578		)
Other operating income (expense)	—		226			(7,754		)
Income (loss) from discontinued operations before income taxes	$	—	$	189		$	(8,470	)
Loss on sale of assets before income taxes	—		(197		)	(13,664		)
Income tax benefit	—		46,039			5,269
Income (loss) from discontinued operations, net of taxes	$	—	$	46,031		$	(16,865	)

Significant Operation and Investing Activities of Discontinued Operations

Significant operating activities and investing activities of discontinued operations included in our consolidated statements of cash flows were as follows:

	For the Nine Months Ended September 30, 2018		For the Twelve Months Ended December 31,
			2017			2016
	(In thousands)
Operating activities:
Asset impairments	$	—	$	—		$	612
Accounts payable and other accrued liabilities	—		(3,000		)	—
Loss on sale of assets	—		197			13,664
Depreciation, depletion and amortization	—		—			2,202
	$	—	$	(2,803	)	$	16,478
Investing activities:
Oil and gas properties and equipment	$	—	$	—		$	(579	)
Proceeds from sale of assets	—		200			77,105
	$	—	$	200		$	76,526