Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows From Operating Activities
Net income (loss)	$ 778	$ (42,148)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	11,808	11,178
Amortization of deferred financing costs and other, net	681	701
Amortization of right-to-use lease assets	353	(9)
Stock-based compensation	2,902	1,828
Deferred income taxes	1,533	(149)
Change in fair value of contingent acquisition consideration	0	56
Gain on foreign currency	(152)	(130)
Write-off of unamortized issuance costs related to debt refinancing	0	9,004
Changes in operating assets and liabilities
Marine operating supplies and inventories	825	482
Prepaid expenses and other current assets	(2,323)	(4,890)
Unearned passenger revenues	4,532	29,563
Other long-term assets	(1,041)	(261)
Other long-term liabilities	(1)	845
Accounts payable and accrued expenses	(17,478)	(908)
Operating lease liabilities	(359)	0
Net cash provided by operating activities	2,058	5,162
Cash Flows From Investing Activities
Purchases of property and equipment	(6,425)	(7,522)
Sale of securities	15,163	0
Net cash provided by (used in) investing activities	8,738	(7,522)
Cash Flows From Financing Activities
Proceeds from long-term debt	0	360,000
Repayments of long-term debt	(5,809)	(334,684)
Payment of deferred financing costs	(21)	(10,781)
Repurchase under stock-based compensation plans and related tax impacts	(266)	(6)
Net cash (used in) provided by financing activities	(6,096)	14,529
Net increase in cash, cash equivalents and restricted cash	4,700	12,169
Cash, cash equivalents and restricted cash at beginning of period	116,024	172,693
Cash, cash equivalents and restricted cash at end of period	120,724	184,862
Supplemental disclosures of cash flow information:
Interest	16,593	3,613
Income taxes	89	58
Non-cash investing and financing activities:
Non-cash preferred stock dividend	$ 1,069	$ 1,298