Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income	$ 126,844	$ 79,996	$ 41,189
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	114,323	97,313	104,908
Amortization of operating lease right-of-use assets	14,663	31,699	23,496
ARO accretion expense	1,774	1,494	1,430
Amortization of debt issuance costs	6,377	2,664	1,394
Deferred income taxes	(3,321)	2,255	(966)
Share of net earnings in equity method investee	(883)	(2,698)	(3,263)
Distributions from equity method investee	4,725	4,950	0
Long-term incentive compensation expense	3,639	956	0
Early extinguishment of lease liability on vessel acquisition	0	21,834	0
Non-cash restructuring expense	0	1,574	0
(Gain)/loss on non-cash items	1,001	(2,224)	0
Changes in operating assets and liabilities:
Accounts receivable	(20,993)	197,903	247,174
Inventories	169,655	(68,583)	(82,667)
Other current assets and other assets	(12,160)	(22,826)	(17,792)
Accounts payable and accrued liabilities	(54,079)	(258,281)	341,339
Current portion of deferred revenue	(117,638)	(135,154)	(2,329)
Net investments in sales-type leases	12,898	12,225	10,229
Operating lease assets and liabilities	(14,801)	(30,252)	(22,436)
Tax receivable agreement liability	(5,890)	0	0
Other long-term liabilities	5,751	19,937	(5,745)
Net cash provided by operating activities	231,885	225,090	141,613
Cash flows from investing activities
Purchases of property and equipment	(312,735)	(119,267)	(36,091)
Sales of property and equipment	4,101	0	0
Net cash used in investing activities	(308,634)	(119,267)	(36,091)
Cash flows from financing activities
Proceeds from issuance of common stock, net	0	412,148	0
Proceeds from long-term debt - related party	0	654,000	118,309
Repayments of long-term debt - related party	(8,404)	(653,409)	(82,153)
Repayments of long term debt	(21,996)	(20,311)	(29,214)
Proceeds from revolving credit facility	0	140,000	0
Repayments of revolving credit facility	0	(140,000)	0
Proceeds from Term Loan Facility	250,000	0	0
Repayments of Term Loan Facility	(64,570)	0	0
Payment of debt issuance costs	(7,660)	(5,951)	(1,188)
Related party note receivables	0	0	(200,500)
Collections of related party note receivables	0	6,600	122,338
Settlement of finance lease liability - related party	0	(25,000)	0
Principal payments under finance lease liabilities	(20,619)	(20,499)	(36,262)
Principal payments under finance lease liabilities - related party	0	(2,912)	(15,427)
Cash Paid For Withholding Taxes	(52)	0	0
Dividends paid	(2,626)	(1,313)	0
Distributions	(16,178)	(4,101)	0
Minority owner contribution - Albania Power Project	3,462	1,932	0
Net cash provided by financing activities	111,357	341,184	(124,097)
Effect of exchange rate on cash, cash equivalents, and restricted cash	(121)	0	0
Net increase in cash, cash equivalents and restricted cash	34,487	447,007	(18,575)
Cash, cash equivalents and restricted cash
Beginning of period	537,971	90,964	109,539
End of period	$ 572,458	$ 537,971	$ 90,964