Other Financial Information - Schedule of Noncash Operating Working Capital (Increase) Decrease) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net (increase) decrease in operating working capital, excluding cash and cash equivalents:
(Increase) decrease in accounts receivable	$ (75,437)	$ 71,081	$ 47,151
(Increase) decrease in inventories	(1,461)	1,327	329
(Increase) decrease in prepaid expenses	539	1,192	(1,293)
Increase (decrease) in accounts payable and accrued liabilities	3,101	3,287	(140,011)
Increase (decrease) in income taxes payable	(794)	(2,004)	(5,537)
Net (increase) decrease in noncash working capital	(74,052)	74,883	(99,361)
Supplementary disclosures:
Capitalized interest paid	8,800	11,400	14,500
Interest paid, net of amounts capitalized	88,119	78,806	108,912
Non-cash investing activities:
Asset retirement costs capitalized	9,629	47,233	32,975
(Increase) decrease in capital expenditure accrual	(98,778)	(5,935)	17,517
Net cash income taxes paid	$ 6,101	$ 12,648	$ 12,356