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Right-of-use-assets - Summary of Changes in Carrying Amount of Right-of-use Assets (Detail) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | € 50,444 | € 42,825 |
Depreciation | (10,643) | (12,021) | € (11,834)
Balance | 44,378 | 50,444 | 42,825
Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 102,499 | 84,643 |
Additions | 5,214 | 7,689 |
Disposals | (10,432) | (1,375) |
Adjustments due to remeasurements | 22 | 584 |
Adjustments due to modifications | 275 | 11,867 |
Effect of translation adjustments | 3,239 | (909) |
Balance | 100,817 | 102,499 | 84,643
Accumulated Depreciation and Impairment Loss [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Accumulated depreciation and impairment loss | (52,055) | (41,818) |
Depreciation | (10,643) | (12,021) |
Disposals | 8,402 | 1,251 |
Impairment loss | (458) | 75 |
Adjustments due to remeasurements | 0 | 3 |
Effect of translation adjustments | (1,685) | 455 |
Accumulated depreciation and impairment loss | (56,439) | (52,055) | (41,818)
Buildings [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 49,906 | 42,786 |
Balance | 43,666 | 49,906 | 42,786
Buildings [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 101,592 | 83,597 |
Additions | 4,861 | 7,056 |
Disposals | (10,329) | (609) |
Adjustments due to remeasurements | 22 | 584 |
Adjustments due to modifications | 182 | 11,867 |
Effect of translation adjustments | 3,228 | (903) |
Balance | 99,556 | 101,592 | 83,597
Buildings [member] | Accumulated Depreciation and Impairment Loss [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Accumulated depreciation and impairment loss | (51,686) | (40,811) |
Depreciation | (10,372) | (11,887) |
Disposals | 8,299 | 485 |
Impairment loss | (458) | 75 |
Adjustments due to remeasurements | 0 | 3 |
Effect of translation adjustments | (1,673) | 449 |
Accumulated depreciation and impairment loss | (55,890) | (51,686) | (40,811)
Vehicles [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 538 | 39 |
Balance | 712 | 538 | 39
Vehicles [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 907 | 1,046 |
Additions | 353 | 633 |
Disposals | (103) | (766) |
Adjustments due to modifications | 93 |  |
Effect of translation adjustments | 11 | (6) |
Balance | 1,261 | 907 | 1,046
Vehicles [member] | Accumulated Depreciation and Impairment Loss [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Accumulated depreciation and impairment loss | (369) | (1,007) |
Depreciation | (271) | (134) |
Disposals | 103 | 766 |
Effect of translation adjustments | (12) | 6 |
Accumulated depreciation and impairment loss | € (549) | € (369) | € (1,007)

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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_h&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_a&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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