Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2018

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental information related to the condensed consolidated statements of cash flows is as follows (in thousands):

	Six Months Ended   June 30,
	2018		2017
Supplemental non-cash disclosure related to investing activities:
Capital expenditures included in Accounts payable	$	95,080	$	41,536