Other, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Income and Expenses [Abstract]
Impairment of equity securities	$ 0	$ (1,514)
Foreign exchange gain (loss)	(164)	(2,206)
Gain (loss) on sale of assets	1,673	(44)
Other	(195)	1,253
Other, net	$ 1,314	$ (2,511)