Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net income	$ 96,662	$ 32,744
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	78,191	42,144
Amortization of deferred drydocking and survey costs	37,524	21,290
Amortization of debt premium and discounts	3,593	842
Amortization of below market contracts	(2,856)	0
Provision for deferred income taxes	32	34
Gain on asset dispositions, net	(13,039)	(3,620)
Gain on pension settlement	0	(1,807)
Stock-based compensation expense	6,226	4,751
Changes in assets and liabilities, net of effects of business acquisition:
Trade and other receivables	(12,146)	(37,919)
Accounts payable	15,809	30,876
Accrued expenses	10,648	(13,544)
Deferred drydocking and survey costs	(80,101)	(52,691)
Other, net	(7,133)	(565)
Net cash provided by operating activities	133,410	22,535
Cash flows from investing activities:
Proceeds from asset dispositions	14,817	8,659
Proceeds from sale of notes	702	0
Additions to properties and equipment	(17,334)	(17,500)
Net cash used in investing activities	(1,815)	(8,841)
Cash flows from financing activities:
Proceeds from issuance of shares	2	0
Principal payments on long-term debt	(26,507)	0
Purchase of common stock	(32,898)	0
Acquisition of non-controlling interest in a majority owned subsidiary	0	(1,427)
Debt issuance costs	(193)	0
Share based awards reacquired to pay taxes	(28,463)	(5,521)
Net cash used in financing activities	(88,059)	(6,948)
Net change in cash, cash equivalents and restricted cash	43,536	6,746
Cash, cash equivalents and restricted cash at beginning of period	277,965	167,977
Cash, cash equivalents and restricted cash at end of period	321,501	174,723
Supplemental disclosure of cash flow information:
Interest, net of amounts capitalized	30,546	7,846
Income taxes	33,084	27,201
Supplemental disclosure of noncash investing activities:
Purchase of vessels	0	12,171
Debt incurred for purchase of vessels	$ 0	$ 12,171