Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Flows From Operating Activities
Net loss	$ (70,706)	$ (69,595)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	22,354	16,462
Amortization of deferred financing costs and other, net	1,313	1,525
Amortization of right-to-use lease assets	(20)	2
Stock-based compensation	3,651	2,740
Deferred income taxes	(1,128)	(5,158)
Change in fair value of contingent acquisition consideration	56	0
Loss (gain) on foreign currency	546	(269)
Write-off of unamortized issuance costs related to debt refinancing	9,004	0
Changes in operating assets and liabilities
Marine operating supplies and inventories	(1,676)	(819)
Prepaid expenses and other current assets	(19,388)	(9,643)
Unearned passenger revenues	58,387	76,747
Other long-term assets	3,431	862
Other long-term liabilities	845	3,336
Accounts payable and accrued expenses	11,971	5,648
Net cash provided by operating activities	18,640	21,838
Cash Flows From Investing Activities
Purchases of property and equipment	(23,550)	(25,239)
Acquisition (net of cash acquired)	0	(7,177)
Net cash used in investing activities	(23,550)	(32,416)
Cash Flows From Financing Activities
Proceeds from long-term debt	360,000	15,484
Repayments of long-term debt	(340,491)	(1,014)
Payment of deferred financing costs	(10,804)	(3,135)
Repurchase under stock-based compensation plans and related tax impacts	(753)	(1,726)
Net cash provided by financing activities	7,952	9,609
Net increase (decrease) in cash, cash equivalents and restricted cash	3,042	(969)
Cash, cash equivalents and restricted cash at beginning of period	172,693	204,515
Cash, cash equivalents and restricted cash at end of period	175,735	203,546
Supplemental disclosures of cash flow information:
Interest	6,204	8,571
Income taxes	124	1
Non-cash investing and financing activities:
Non-cash preferred stock dividend	2,581	2,622
Value of shares issued for acquisition	$ 0	$ 1,770