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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | For the years ended December 31, |
Lindblad Segment |  | 2024 |  |  | 2023 |  |  | 2022 |
Guest ticket revenue: |  |  |  |  |  |  |  |  |  |  |  |
Direct (a) |  | $ | 254,725 |  |  | $ | 226,151 |  |  | $ | 154,345 |
Agencies |  |  | 92,809 |  |  |  | 90,185 |  |  |  | 66,298 |
Affinity |  |  | 25,520 |  |  |  | 29,535 |  |  |  | 19,949 |
Guest ticket revenue |  |  | 373,054 |  |  |  | 345,871 |  |  |  | 240,592 |
Other tour revenue |  |  | 50,252 |  |  |  | 51,539 |  |  |  | 37,857 |
Tour revenues |  | $ | 423,306 |  |  | $ | 397,410 |  |  | $ | 278,449 |
|  | For the years ended December 31, |
Land Experiences Segment |  | 2024 |  |  | 2023 |  |  | 2022 |
Guest ticket revenue: |  |  |  |  |  |  |  |  |  |  |  |
Direct |  | $ | 184,420 |  |  | $ | 143,837 |  |  | $ | 115,309 |
Agencies |  |  | 22,385 |  |  |  | 17,129 |  |  |  | 17,713 |
Affinity |  |  | 3,741 |  |  |  | 3,134 |  |  |  | 3,100 |
Guest ticket revenue |  |  | 210,546 |  |  |  | 164,100 |  |  |  | 136,122 |
Other tour revenue |  |  | 10,875 |  |  |  | 8,033 |  |  |  | 6,929 |
Tour revenues |  | $ | 221,421 |  |  | $ | 172,133 |  |  | $ | 143,051 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | Contract Liabilities |
(In thousands) |  |  |  |
Balance as of December 31, 2023 |  | $ | 93,906 |
Recognized in tour revenues during the period |  |  | (618,823 | )
Additional contract liabilities in period |  |  | 715,198 |
Balance as of December 31, 2024 |  | $ | 190,281 |
Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] |
|  | As of December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
(In thousands) |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 183,941 |  |  | $ | 156,845 |  |  | $ | 87,177 |
Restricted cash |  |  | 32,202 |  |  |  | 30,499 |  |  |  | 28,847 |
Total cash, cash equivalents and restricted cash as presented in the statement of cash flows |  | $ | 216,143 |  |  | $ | 187,344 |  |  | $ | 116,024 |
Restricted Cash and Marketable Securities [Table Text Block] |
|  | As of December 31, |
|  | 2024 |  |  | 2023 |
(In thousands) |  |  |  |  |  |  |  |
Credit card processor reserves |  | $ | 12,750 |  |  | $ | 20,250 |
Federal Maritime Commission and other escrow |  |  | 18,101 |  |  |  | 8,958 |
Certificates of deposit and other restricted deposits |  |  | 1,351 |  |  |  | 1,291 |
Total restricted cash |  | $ | 32,202 |  |  | $ | 30,499 |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
|  | As of December 31, |
|  | 2024 |  |  | 2023 |
(In thousands) |  |  |  |  |  |  |
Prepaid tour expenses |  | $ | 28,585 |  |  | $ | 26,123 |
Other |  |  | 33,705 |  |  |  | 31,035 |
Total prepaid expenses and other current assets |  | $ | 62,290 |  |  | $ | 57,158 |
Schedule Of Estimated Useful Lives [Table Text Block] |
|  | Years |
Vessels and vessel improvements |  | 15 | to | 25 |
Buildings and building improvements |  | 3 | to | 40 |
Furniture & equipment |  |  | 5 |  |
Computer hardware and software |  | 5 | to | 10 |
Leasehold improvements, including expedition sites and port facilities |  | Shorter of lease term or related asset life |

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