Statement Of Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2017

Supplemental Cash Flow Information [Abstract]

Schedule of supplemental cash flow information

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

	Six Months Ended June 30,
	2017		2016
Interest paid, net of interest capitalized	$	6,663	$	10,321
Income taxes paid	$	2,424	$	3,845