Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income	$ 42,320	$ 46,745
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	39,014	38,811
Amortization of deferred drydocking and survey costs	26,418	17,459
Amortization of debt premium and discounts	1,501	1,814
Amortization of below market contracts	(351)	(1,206)
Provision for deferred income taxes	2,347	73
Gain on asset dispositions, net	(2,538)	(11,039)
Stock-based compensation expense	3,491	2,766
Changes in assets and liabilities, net of effects of business acquisition:
Trade and other receivables	10,901	(17,616)
Accounts payable	(21,182)	6,843
Accrued expenses	3,106	6,600
Deferred drydocking and survey costs	(43,339)	(40,018)
Other, net	24,285	3,533
Net cash provided by operating activities	85,973	54,765
Cash flows from investing activities:
Proceeds from asset dispositions	3,816	12,463
Proceeds from sale of notes	600	0
Additions to properties and equipment	(10,266)	(10,942)
Net cash provided by (used in) investing activities	(5,850)	1,521
Cash flows from financing activities:
Principal payments on long-term debt	(12,500)	(12,500)
Purchase of common stock	(39,275)	(3,501)
Debt issuance costs	0	(135)
Share based awards reacquired to pay taxes	(7,465)	(28,462)
Net cash used in financing activities	(59,240)	(44,598)
Net change in cash, cash equivalents and restricted cash	20,883	11,688
Cash, cash equivalents and restricted cash at beginning of period	329,031	277,965
Cash, cash equivalents and restricted cash at end of period	349,914	289,653
Supplemental disclosure of cash flow information:
Interest, net of amounts capitalized	17,505	15,621
Income taxes	15,148	15,603
Supplemental disclosure of noncash investing activities:
Purchase of vessels	9,098	0
Debt incurred for purchase of vessels	$ 9,712	$ 0