Other Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net (increase) decrease in operating working capital, excluding cash and cash equivalents:
(Increase) in accounts receivable	$ (3,976)	$ (117,928)
(Increase) decrease in inventories	(9,296)	(4,541)
(Increase) decrease in prepaid expenses	3,813	(515)
Increase in accounts payable and accrued liabilities	(63,800)	40,426
Increase (decrease) in income taxes payable	(1,772)	1,636
Net (increase) in noncash operating working capital	(75,031)	(80,922)
Supplementary disclosures:
Cash income taxes paid, net of refunds	3,342	103
Interest paid, net of amounts capitalized of $3.3 million in 2023 and $5.3 million in 2022	19,358	40,181
Non-cash investing activities:
Asset retirement costs capitalized	2,396	3,889
(Increase) decrease in capital expenditure accrual	15,973	(49,352)
Interest paid, amount capitalized	$ 3,300	$ 5,300