Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net income	$ 28,140	$ 30,739
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	22,910	25,193
Amortization of operating lease right-of-use assets	429	7,428
ARO accretion expense	455	436
Amortization of debt issuance costs	877	3,345
Deferred income taxes	1,119	682
Share of net earnings in equity method investee	(531)	(416)
Long-term incentive compensation expense	1,377	357
(Gain)/loss on non-cash items	0	1,326
Changes in operating assets and liabilities:
Accounts receivable	30,869	24,528
Other current assets and other assets	(7,344)	36,756
Accounts payable and accrued liabilities	(13,421)	(99,381)
Current portion of deferred revenue	(6,450)	17,357
Net investments in sales-type leases	3,792	3,366
Other long-term liabilities	2,439	(4,919)
Net cash provided by operating activities	64,661	46,797
Cash flows from investing activities
Purchases of property and equipment	(12,769)	(14,929)
Net cash used in investing activities	(12,769)	(14,929)
Cash flows from financing activities
Repurchase of class A common stock	(8,418)	0
Repayments of long term debt	(9,638)	(4,829)
Repayments of long-term debt-related party	(2,181)	(1,990)
Payment of debt issuance costs	0	(4,582)
Principal payments under finance lease liabilities	(5,002)	(5,297)
Dividends paid	(652)	0
Distributions	(2,051)	0
Minority owner contribution - Albania Power Project	209	337
Net cash used in financing activities	(27,733)	(16,361)
Effect of exchange rate on cash, cash equivalents, and restricted cash	35	(420)
Net increase in cash, cash equivalents and restricted cash	24,194	15,087
Cash, cash equivalents and restricted cash
Beginning of period	572,458	537,971
End of period	$ 596,652	$ 553,058