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	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental cash flow information:
Cash paid for taxes	$ 26,163	$ 36,957	$ 16,807
Cash paid for interest	60,777	55,437	80,501
Right-of-use assets obtained in exchange for lease obligations	0	3,567	15,248
Increase (decrease) in capital expenditures included in accounts payable	7,869	3,329	(1,189)
Vessel acquisition	0	188,500	0
ENE Onshore contribution to settle KFMC-ENE Onshore Note	0	11,177	0
KFMC note receivable netted against ENE Lateral note payable to KFMC	0	0	88,500
ENE Lateral distribution of ENE Onshore note to KFMC as partial settlement of ENE Lateral Facility to KFMC	0	0	118,893
Noncash contribution received to settle note payable to KFMC	0	0	57,159
Noncash contribution received reflected as a note receivable from GBK	$ 0	$ 0	$ 16,500