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Schedule of Gains from Changes in Fair Value of Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Fair Value Disclosures [Abstract] |  |
Total change in fair value | $ 119 | $ 145

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- Definition Gains loss from changes in fair value of derivative financial instruments. + References No definition available. + Details
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Namespace Prefix: | LARK_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration