Represents the number of customers on whom the entity significantly rely giving rise to concentration risk.

No definition available.

Name:	legh_ConcentrationRiskNumberOfCustomers
Namespace Prefix:	legh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of financing receivable in default and litigation as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	legh_FinancingReceivableDefaultAndLitigation
Namespace Prefix:	legh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of financing at time of issuance.

+ References

No definition available.

+ Details

Name:	legh_FinancingReceivableFaceAmount
Namespace Prefix:	legh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period of interest-only payments on a financing receivable.

+ References

No definition available.

+ Details

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

- Definition

Duration of financing receivable issued.

+ References

No definition available.

+ Details

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

- Definition

Amount of gain (loss) from loan settlements.

+ References

No definition available.

+ Details

Name:	legh_GainFromLoanSettlements
Namespace Prefix:	legh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the average rate of interest on loan receivable.

+ References

No definition available.

+ Details

Name:	legh_LoansReceivableAverageRate
Namespace Prefix:	legh_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the fixed and variable rate of interest on loan receivable.

+ References

No definition available.

+ Details

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

- Definition

Represents the fixed rate of interest on loan receivable.

+ References

No definition available.

+ Details

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

- Definition

Amount of unamortized finance fees of a note receivable.

+ References

No definition available.

+ Details

Name:	legh_NoteReceivableUnamortizedFinanceFees
Namespace Prefix:	legh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of mobile home park provided as security for loan.

+ References

No definition available.

+ Details

Name:	legh_NumberOfMobileHomeParksInCollateral
Namespace Prefix:	legh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of mobile homes provided as security for loan.

+ References

No definition available.

+ Details

Name:	legh_NumberOfMobileHomesInCollateral
Namespace Prefix:	legh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of notes receivables.

+ References

No definition available.

+ Details

Name:	legh_TermOfNotesReceivables
Namespace Prefix:	legh_
Data Type:	xbrli:durationItemType
Balance Type:	na
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

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

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (1)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

+ Details

Name:	us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=legh_NotesReceivableFromMobileHomeParksAndOtherNotesReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=legh_MakersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=legh_ReceivableFromMobileHomeParksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=legh_NewNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=legh_IndividualAndEntityDefendantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=legh_IndependentThirdPartiesAndAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=legh_IndependentThirdPartyOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=legh_IndependentThirdPartyTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=legh_IndependentThirdPartyThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- 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:
Period Type:

NOTES RECEIVABLE FROM MOBILE HOME PARKS - Narrative (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 27, 2024 USD ($) item	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) item	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) item	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Jan. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
MHP and Other Notes Receivable
Receivables
Gain from loan settlements						$ 5,400
MHP and Other Notes Receivable \| Makers
Receivables
Outstanding principal balance										$ 55,000
Receivables currently in default and are the subject of litigation									$ 37,000
Notes Receivable from Mobile Home Parks
Receivables
Loan receivable, average interest rate		7.90%		7.90%		7.80%
Unamortized finance fees		$ 929		$ 929		$ 1,057
Outstanding principal balance		204,910		204,910		208,175				184,280
Charge offs		0	$ 0	0	$ 0
Allowance for loan losses		900	$ 711	900	$ 711	654	$ 776	$ 616		$ 735
Notes Receivable from Mobile Home Parks \| Financial Asset, Past Due
Receivables
Outstanding principal balance		$ 103		$ 103		$ 17
New note \| Individual and entity defendants
Receivables
Fixed rate of interest (as a percent)	7.90%
Term of financing receivable	2 years
Term of interest-only payments	24 months
Face amount of financing receivable	$ 48,600
Number of Mobile Homes \| item	1,000
Number of Mobile Home Parks \| item	2
Pertaining to independent third parties \| Accounts receivable \| Notes Receivable from Mobile Home Parks \| Credit concentration risk
Receivables
Number of Independent third parties \| item				3		3
Pertaining to independent third parties \| Accounts receivable \| Notes Receivable from Mobile Home Parks \| Credit concentration risk \| Independent Third Party One
Receivables
Concentration risk percentage				24.00%		23.50%
Pertaining to independent third parties \| Accounts receivable \| Notes Receivable from Mobile Home Parks \| Credit concentration risk \| Independent Third Party Two
Receivables
Concentration risk percentage				9.50%		14.60%
Pertaining to independent third parties \| Accounts receivable \| Notes Receivable from Mobile Home Parks \| Credit concentration risk \| Independent Third party Three
Receivables
Concentration risk percentage				11.40%		11.40%
Minimum \| Notes Receivable from Mobile Home Parks
Receivables
Term Of Notes Receivables				1 year
Loans receivable, fixed and variable interest rate				4.90%
Maximum \| Notes Receivable from Mobile Home Parks
Receivables
Term Of Notes Receivables				10 years
Loans receivable, fixed and variable interest rate				11.50%