Supplemental noncash disclosures for consolidated statement of cash flows - Schedule of Supplemental Noncash Disclosures For The Consolidated Statement Of Cash flows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Supplemental cash flow information:
Cash paid for taxes	$ 8,915	$ 5,476	$ 23,682	$ 13,689
Cash paid for interest	11,808	20,382	42,991	61,593
Right-of-use assets obtained in exchange for lease obligations	935	520	2,091	520
Increase (decrease) in capital expenditures included in accounts payable	1,371	(6,819)	(8,232)	(7,844)
Foundation Vessels acquisition	0	0	188,500	0
KFMC Note Receivable Netted Against Lateral Note Payable To KFMC	0	88,500	0	88,500
ENE Lateral Distribution Of ENE Onshore Note To KFMC As Partial Settlement Of ENE Lateral Note To KFMC	0	117,038	0	117,038
Noncash contribution received to settle note payable to KFMC	0	57,159	0	57,159
Noncash contribution received reflected as a note receivable from Kaiser	$ 0	$ 16,500	$ 0	$ 16,500