Other, net (Tables)

12 Months Ended

Dec. 31, 2017

Other Income and Expenses [Abstract]

Other

Other, net is comprised of the following items (in thousands):

	Years Ended December 31,
	2017			2016		2015
Foreign currency transaction gains (losses)	$	(2,619	)	$	4,105	$	1,946
Realized gain on available-for-sale securities		—			—		24,465
Total	$	(2,619	)	$	4,105	$	26,411