Maturity period of principal amount, in 'PnYnMnDTnHnMnS' format.

No definition available.

Name:	lsh_MaturityPeriodOfPrincipalAmount
Namespace Prefix:	lsh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of provision of allowance for expected credit loss on loan receivable.

+ References

No definition available.

+ Details

Name:	lsh_ProvisionOfAllowanceForExpectedCreditLossOnLoanReceivable
Namespace Prefix:	lsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of interest income earned from interest bearing assets classified as other.

+ References

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+ Details

Name:	us-gaap_InterestIncomeOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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:	us-gaap_LoansAndLeasesReceivableDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

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+ Details

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

- Definition

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

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-SubTopic 10
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-Paragraph 1
-Subparagraph (d)
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+ Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lsh_ThirdPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lsh_ThirdPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lsh_LoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loan Receivable from a Third Party, Net (Details) - USD ($)		3 Months Ended	9 Months Ended
	Jul. 03, 2025	Mar. 31, 2026	Mar. 31, 2026	Mar. 31, 2025	Dec. 25, 2025	Jun. 30, 2025	Mar. 01, 2025	Oct. 08, 2024
Loan Receivable from a Third Party, Net [Line Items]
Loan agreement with a third party for a principal amount							$ 124,176
Credit loss allowance			$ 350,000
Third Party [Member]
Loan Receivable from a Third Party, Net [Line Items]
Gross loan balance		$ 8,679,194	8,679,194
Net carrying value		8,329,194	8,329,194			$ 11,380
Interest income		$ 77,713	$ 177,765
Third Party [Member]
Loan Receivable from a Third Party, Net [Line Items]
Gross loan balance						$ 11,380
Loan Agreement [Member]
Loan Receivable from a Third Party, Net [Line Items]
Loan agreement with a third party for a principal amount	$ 6,000,000				$ 10,000,000
Fixed interest rate, percentage		4.35%	4.35%
Maturity period	12 months
Loan Agreement [Member] \| Third Party [Member]
Loan Receivable from a Third Party, Net [Line Items]
Loan agreement with a third party for a principal amount								$ 2,000,000
Fixed interest rate, percentage								4.35%