XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.25.4

Summary of Significant Accounting Policies - Schedule of Foreign Currency Exchange Rates (Details) | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Balance Sheet Items Except for Equity Accounts [Member] | USD [Member] |  |
Schedule of Foreign Currency Exchange Rates [Line Items] |  |
Currency exchange rates | 1 | 1
Balance Sheet Items Except for Equity Accounts [Member] | RMB [Member] |  |
Schedule of Foreign Currency Exchange Rates [Line Items] |  |
Currency exchange rates | 6.9931 | 7.2993
Items in the Statements of Income and Cash Flows [Member] | USD [Member] |  |
Schedule of Foreign Currency Exchange Rates [Line Items] |  |
Currency exchange rates | 1 | 1
Items in the Statements of Income and Cash Flows [Member] | RMB [Member] |  |
Schedule of Foreign Currency Exchange Rates [Line Items] |  |
Currency exchange rates | 7.1235 | 7.1767

X
- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479424/830-30-S99-1 + Details
Name: | us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- 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_ForeignCurrencyFairValueHedgeDerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=lsh_BalanceSheetItemsExceptForEquityAccountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=lsh_ItemsInTheStatementsOfIncomeAndCashFlowsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |