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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Shipping and Handling Costs & Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Shipping and handling costs | $ 621 | $ 1,804

X
- Definition Cost incurred during the reporting period in transporting goods and services to customers. + References No definition available. + Details
Name: | legh_ShippingAndHandlingCosts
Namespace Prefix: | legh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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