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v3.25.3

Note 3 - Revenues - Change in Contract Liabilities (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2025 USD ($)
Balance | $ 190,281
Recognized in tour revenues during the period | (564,920)
Additional contract liabilities in period | 597,820
Balance | $ 223,181

X
- Definition Represents additional contract liabilities during period. + References No definition available. + Details
Name: | lind_ContractWithCustomerLiabilityAdditional
Namespace Prefix: | lind_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents contract with customer liability revenue recognized excluding opening balance. + References No definition available. + Details
Name: | lind_ContractWithCustomerLiabilityRevenueRecognizedExcludingOpeningBalance
Namespace Prefix: | lind_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant