Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

	Nine Months Ended September 30,
	2021			2020
	(in thousands)
Net cash provided from operating activities included:
Income taxes (paid) refunded from taxing authorities	$	(2,661	)	$	343
Interest paid		(175,195	)		(145,319	)
Non-cash investing and financing activities included:
Increase in asset retirement costs capitalized		2,879			4,587
Decrease in accrued capital expenditures		(11,373	)		(38,942	)