Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Information [Abstract]

Supplemental Information Related to Consolidated Statement of Cash Flows

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

	Three Months Ended   March 31,
	2018		2017
Supplemental non-cash disclosure related to investing activities:
Capital expenditures included in Accounts payable	$	74,906	$	18,874