XML 124 R110.htm IDEA: XBRL DOCUMENT
v3.23.1

Non-Underlying Items - Additional information (Detail) | Dec. 14, 2022 $ / shares
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Disclosure of Non Underlying Items [Line Items] |
Par value per share of shares issued under share based payments transactions | $ 9.9
PCAC [Member] |
Disclosure of Non Underlying Items [Line Items] |
Par value per share of shares issued under share based payments transactions | $ 9.9

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- Definition Disclosure of Non Underlying Items. + References No definition available. + Details
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Namespace Prefix: | lanv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Par Value per share of shares issued under share based payments transactions. + References No definition available. + Details
Name: | lanv_ParValuePerShareOfSharesIssuedUnderShareBasedPaymentsTransactions
Namespace Prefix: | lanv_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |