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Note 3 - Revenues - Disaggregation of Revenues by Type (Details) | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Tour revenues | 100.00% | 100.00%
Guest Ticket [Member] |  |
Tour revenues | 89.00% | 89.00%
Guest Ticket [Member] | Sales Channel, Directly to Consumer [Member] |  |
Tour revenues | 63.00% | 59.00%
Guest Ticket [Member] | Sales Channel, Agencies [Member] |  |
Tour revenues | 22.00% | 23.00%
Guest Ticket [Member] | Sales Channel, Affinity [Member] |  |
Tour revenues | 4.00% | 7.00%
Other Tour [Member] |  |
Tour revenues | 11.00% | 11.00%

X
- Definition Represents percentage of revenue + References No definition available. + Details
Name: | lind_PercentageOfRevenue
Namespace Prefix: | lind_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=lind_GuestTicketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerSalesChannelAxis=us-gaap_SalesChannelDirectlyToConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerSalesChannelAxis=lind_SalesChannelAgenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerSalesChannelAxis=lind_SalesChannelAffinityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=lind_OtherTourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |