Statement Of Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Information [Abstract]

Schedule of supplemental cash flow information

The following table provides supplemental cash flow information (in thousands): 

	Three Months Ended March 31,
	2018		2017
Interest paid, net of interest capitalized	$	2,238	$	3,557
Income taxes paid	$	3,036	$	1,233