Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

	Year Ended December 31,
	2018		2017		2016
Non-cash investing and financing activities:
Purchase of property, plant, and equipment in accounts payable	$	2,389	$	4,522	$	4,364
Additional cash payment information:
Interest paid	1,578		1,489		1,467
Income taxes paid	8,818		13,526		16,409