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

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- 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

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- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration