Other Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Net (increase) decrease in operating working capital, excluding cash and cash equivalents:
(Increase) decrease in accounts receivable	$ (10,089)	$ (13,174)
(Increase) decrease in inventories	(15,851)	4,860
(Increase) decrease in prepaid expenses	10,502	5,110
Increase (decrease) in accounts payable and accrued liabilities	(13,560)	(24,852)
Increase (decrease) in income taxes payable	6,214	3,703
Net (increase) in non-cash working capital	(22,784)	(24,353)
Supplementary disclosures:
Net cash income taxes (refunded) paid	(1,632)	405
Interest paid, net of amounts capitalized of $1.1 million in 2025 and $3.9 million in 2024	6,347	11,062
Non-cash investing activities:
Asset retirement costs capitalized	8,996	10,955
(Increase) decrease in capital expenditure accrual	(42,442)	(12,948)
Interest paid, amount capitalized	$ 1,100	$ 3,900

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Noncash additions to property, plant and equipment for asset retirement costs capitalized.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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