CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income (loss)	$ 3,072	$ (26,287)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, excluding amortization of deferred recertification and dry dock costs	33,248	36,656
Amortization of deferred recertification and dry dock costs	9,234	9,697
Deferred recertification and dry dock costs	(17,855)	(9,594)
Amortization of debt discount	57	53
Amortization of debt issuance costs	502	570
Share-based compensation	1,651	1,711
Deferred income taxes	(400)	(574)
Loss on disposition of assets, net		150
Losses related to convertible senior notes		20,922
Unrealized foreign currency (gain) loss	(572)	2,117
Changes in operating assets and liabilities:
Accounts receivable, net	(1,116)	59,059
Other current assets	(16,835)	23,196
Income tax receivable, net of income tax payable	(2,702)	(2,510)
Accounts payable and accrued liabilities	4,518	(50,489)
Other, net	3,640	(193)
Net cash provided by operating activities	16,442	64,484
Cash flows from investing activities:
Capital expenditures	(4,488)	(3,605)
Proceeds from insurance recoveries		363
Net cash used in investing activities	(4,488)	(3,242)
Cash flows from financing activities:
Payments related to convertible senior notes		(60,699)
Repayment of MARAD Debt	(4,537)	(4,322)
Proceeds from settlement of capped calls		4,381
Debt issuance costs		(984)
Repurchases of common stock		(4,177)
Payments related to tax withholding for share-based compensation	(7,266)	(4,003)
Proceeds from issuance of ESPP shares	728	500
Net cash used in financing activities	(11,075)	(69,304)
Effect of exchange rate changes on cash and cash equivalents	1,078	(280)
Net increase (decrease) in cash and cash equivalents	1,957	(8,342)
Cash and cash equivalents:
Balance, beginning of year	368,030	332,191
Balance, end of period	$ 369,987	$ 323,849