Other Operating Revenues and Expenses (Tables)

12 Months Ended

Dec. 31, 2016

Other Income and Expenses [Abstract]

Schedule of net gain on sales of assets and impairment of inventory

Other operating revenues and expenses for the years ended December 31, 2016, 2015 and 2014 are as follows:

	2016		2015		2014
	(In thousands)
Other operating revenues:
Gain on sales of assets	$	123,392	$	8,718	$	11,685
Marketing revenue	—		24		3,708
Total other operating revenues	$	123,392	$	8,742	$	15,393
Other operating expenses:
Loss on sales of assets	$	3,152	$	1,355	$	2,511
Marketing expense	440		849		—
Impairment of inventory	1,454		10,381		36
Total other operating expenses	$	5,046	$	12,585	$	2,547