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NATURE OF OPERATIONS - Share-Based Compensation (Details)	9 Months Ended
	Sep. 30, 2023
NATURE OF OPERATIONS
Volatility period	5 years

X

- Definition

The period used in the calculation of historical volatility as a part of fair value assumption under share based compensation arrangement.

+ References

No definition available.

+ Details

Name:	legh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsHistoricalVolatilityCalculationPeriod
Namespace Prefix:	legh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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