Amount of expense charged against earnings for leased property.

No definition available.

Name:	legh_DepreciationLeasedProperty
Namespace Prefix:	legh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	legh_LessorDescriptionOfLeasesLineItems
Namespace Prefix:	legh_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of months prior to which lessee should notify the intent to exercise the renewal extension option.

+ References

No definition available.

+ Details

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

- Definition

Number of days of written notice by lessee for purchase of property.

+ References

No definition available.

+ Details

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

- Definition

Number of days of written notice by lessee for termination of lease.

+ References

No definition available.

+ Details

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

- Definition

Number of month's rent to be paid by lessee upon termination.

+ References

No definition available.

+ Details

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

- Definition

Termination fees recorded as a percentage of remaining lease payments to be paid by lessee.

+ References

No definition available.

+ Details

Name:	legh_LessorOperatingLeaseTerminationFeesRecordedAsPercentageOfRemainingLeasePayment
Namespace Prefix:	legh_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919359-209981

+ Details

Name:	us-gaap_LessorOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LessorOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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NATURE OF OPERATIONS - Leased Property (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Lessor, Description Of Leases [Line Items]
Notice period for lease termination			30 days
Termination fees as a percentage of remaining lease payments			10.00%
Number of month's rent to be paid			6 months
Notice period for purchase of property			30 days
Extended term of lease	48 months		48 months
Notice period for exercise of renewal extension			6 months
Useful life			15 years
Depreciation expense on leased property	$ 184	$ 143	$ 538	$ 373
Minimum
Lessor, Description Of Leases [Line Items]
Term of lease agreement	96 months		96 months
Maximum
Lessor, Description Of Leases [Line Items]
Term of lease agreement	120 months		120 months