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Right-of-use-assets - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2024 EUR (€) Store | Dec. 31, 2023 EUR (€) Store | Dec. 31, 2022 EUR (€)
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Carrying amount | € 44,378,000 | € 50,444,000 | € 42,825,000
Impairment reversal | 143,000 | 40,000 |
Payment of lease liabilities | 14,097,000 | 14,147,000 | 12,926,000
Interest paid on lease liabilities | 3,809,000 | 3,090,000 | 2,877,000
Italy [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Carrying amount | € 12,008,000 | € 12,523,000 |
Number of stores | Store | 2 | 3 |
Spain [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Carrying amount | € 1,424,000 | € 2,548,000 |
Number of stores | Store | 1 | 3 |
United States of America [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Carrying amount | € 21,810,000 | € 25,901,000 |
Number of stores | Store | 2 |  |
United Kingdom [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Carrying amount | € 4,591,000 | € 6,126,000 |
Number of stores | Store |  | 1 |
Buildings [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Information about lessee's exposure arising from extension options and termination options | Some leases include an option to renew the lease for an additional period of the same duration after the end of the contract term. |  |
Information about restrictions or covenants imposed by leases on lessee | For certain of these leases, the Group is restricted from entering into any sub-lease arrangements. |  |
Buildings [member] | Bottom of range [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Lessee operating lease term | 5 years |  |
Buildings [member] | Top of range [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Lessee operating lease term | 10 years |  |
Vehicles [member] | Bottom of range [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Lessee operating lease term | 2 years |  |
Vehicles [member] | Top of range [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Lessee operating lease term | 4 years |  |
IT and Office Equipment [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Statement that lessee accounts for short-term leases using recognition exemption | These leases are short-term and/or leases of low-value items. |  |
Statement that lessee accounts for leases of low-value assets using recognition exemption | These leases are short-term and/or leases of low-value items. |  |
IT and Office Equipment [member] | Bottom of range [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Lessee operating lease term | 1 year |  |
IT and Office Equipment [member] | Top of range [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Lessee operating lease term | 3 years |  |
Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Impairment losses | € 1,420,000 | € 1,092,000 | 848,000
Carrying amount | 100,817,000 | 102,499,000 | 84,643,000
Impairment reversal | 962,000 | € 1,167,000 | € 0
Right-of-use assets [member] | Italy [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Impairment losses | € 204,000 |  |
Weighted average cost of capital rate | 8.99% |  |
Long-term growth rate | 2.01% |  |
Carrying amount | € 869,000 |  |
Right-of-use assets [member] | United States of America [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Impairment losses | € 616,000 |  |
Weighted average cost of capital rate | 9.98% |  |
Long-term growth rate | 2.54% |  |
Carrying amount | € 2,578,000 |  |
Right-of-use assets [member] | United Kingdom [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Impairment losses | € 600,000 |  |
Weighted average cost of capital rate | 8.97% |  |
Long-term growth rate | 2.85% |  |
Carrying amount | € 2,050,000 |  |

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- Definition The cash outflow for leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_g&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Information about the lessee's exposure arising from extension options and termination options. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 59 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_59_b_ii&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Information about the restrictions or covenants imposed by leases on the lessee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 59 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_59_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount recognised as an increase of the carrying amount of an asset or cash-generating unit to its recoverable amount when an impairment loss had been previously recognised. [Refer: Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 130 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_j&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The statement that the lessee accounts for leases of low-value assets using the recognition exemption in paragraph 6 of IFRS 16. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 60 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_60&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The statement that the lessee accounts for short-term leases using the recognition exemption in paragraph 6 of IFRS 16. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 60 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_60&doctype=Standard -URIDate 2024-03-27 + Details
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