Statement Of Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2018

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,
	2018		2017
Interest paid, net of interest capitalized	$	3,783	$	6,663
Income taxes paid	$	3,651	$	2,424