Supplemental Cash Flow Information - Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	6 Months Ended			12 Months Ended
	Jun. 30, 2025		Jun. 30, 2024	Dec. 31, 2024	[1]
Net cash provided from operating activities included:
Income taxes paid to taxing authorities	$ (7,100)		$ (1,125)
Interest paid	(58,235)		(58,215)
Non-cash investing activities included:
Increase in asset retirement costs capitalized	2,327	[1]	2,386	$ 13,845
(Decrease) increase in accrued capital expenditures	$ (16,670)		$ 21,773

[1] (b) Includes costs incurred whether capitalized or expensed.