Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 150,753	$ 187,531
Restricted cash	21,940	16,984
Marine operating supplies	8,275	5,473
Inventories	2,278	2,168
Prepaid expenses and other current assets	27,094	17,014
Total current assets	210,340	229,170
Property and equipment, net	542,418	482,673
Goodwill	42,017	22,105
Intangibles, net	13,235	4,817
Deferred tax asset	7,609	5,539
Right-to-use lease assets	4,402	5,082
Other long-term assets	7,470	8,063
Total assets	827,491	757,449
Current Liabilities:
Unearned passenger revenues	212,598	120,737
Accounts payable and accrued expenses	49,252	22,341
Lease liabilities - current	1,553	1,475
Long-term debt - current	26,061	11,255
Total current liabilities	289,464	155,808
Long-term debt, less current portion	518,658	471,359
Lease liabilities	3,178	3,915
Other long-term liabilities	247	90
Total liabilities	811,547	631,172
COMMITMENTS AND CONTINGENCIES
Redeemable noncontrolling interests	10,626	7,494
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests, Ending Balance	94,527	91,319
STOCKHOLDERS’ (DEFICIT) EQUITY
Preferred stock, $0.0001 par value, 1,000,000 shares authorized; 80,000 and 85,000 Series A shares issued and outstanding as of December 31, 2021 and 2020, respectively	0	0
Common stock, $0.0001 par value, 200,000,000 shares authorized; 50,800,786 and 49,905,512 issued, 50,755,546 and 49,818,676 outstanding as of December 31, 2021 and 2020, respectively	5	5
Additional paid-in capital	58,485	48,127
Accumulated deficit	(136,439)	(11,572)
Accumulated other comprehensive loss	(634)	(1,602)
Total stockholders' (deficit) equity	(78,583)	34,958
Total liabilities, mezzanine equity and stockholders' (deficit) equity	827,491	757,449
Series A Redeemable Convertible Preferred Stock [Member]
Current Liabilities:
Series A redeemable convertible preferred stock, 165,000 shares authorized; 80,000 and 85,000 shares issued and outstanding as of December 31, 2021 and 2020, respectively	$ 83,901	$ 83,825