Other, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Income and Expenses [Abstract]
Foreign exchange gain (loss)	$ (468)	$ (3,309)	$ (1,133)	$ (3,979)
Gain (loss) on sale of assets and investments	(72)	586	(20)	345
Mexico Inflation Adjustment	0	1,939	0	1,939
Interest Income, Other	18	573	199	821
Other	1,165	755	1,657	1,931
Other, net	$ 643	$ 544	$ 703	$ 1,057