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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: