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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | € 50,755 | € 49,013 |
Depreciation | (11,834) | (11,706) | € (13,376)
Balance | 42,825 | 50,755 | 49,013
Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 82,819 | 68,733 |
Additions | 6,541 | 3,194 |
Disposals | (5,371) | (1,267) |
Adjustments due to remeasurements | (227) | 9,084 |
Adjustments due to modifications | (167) | 41 |
Effect of translation adjustments | 1,048 | 3,034 |
Balance | 84,643 | 82,819 | 68,733
Accumulated Depreciation and Impairment Loss [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Accumulated depreciation and impairment loss | (32,064) | (19,720) |
Depreciation | (11,834) | (11,706) |
Disposals | 3,060 | 1,209 |
Impairment loss | (848) | (1,188) |
Adjustments due to remeasurements | (51) |  |
Effect of translation adjustments | (81) | (659) |
Accumulated depreciation and impairment loss | (41,818) | (32,064) | (19,720)
Buildings [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 50,583 | 48,593 |
Balance | 42,786 | 50,583 | 48,593
Buildings [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 81,784 | 67,710 |
Additions | 6,541 | 3,194 |
Disposals | (5,371) | (1,267) |
Adjustments due to remeasurements | (227) | 9,084 |
Adjustments due to modifications | (167) | 42 |
Effect of translation adjustments | 1,037 | 3,021 |
Balance | 83,597 | 81,784 | 67,710
Buildings [member] | Accumulated Depreciation and Impairment Loss [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Accumulated depreciation and impairment loss | (31,201) | (19,117) |
Depreciation | (11,699) | (11,457) |
Disposals | 3,060 | 1,209 |
Impairment loss | (848) | (1,188) |
Adjustments due to remeasurements | (51) |  |
Effect of translation adjustments | (72) | (648) |
Accumulated depreciation and impairment loss | (40,811) | (31,201) | (19,117)
Vehicles [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 172 | 420 |
Balance | 39 | 172 | 420
Vehicles [member] | Right-of-use assets [member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Balance | 1,035 | 1,023 |
Adjustments due to modifications |  | (1) |
Effect of translation adjustments | 11 | 13 |
Balance | 1,046 | 1,035 | 1,023
Vehicles [member] | Accumulated Depreciation and Impairment Loss [Member] |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Accumulated depreciation and impairment loss | (863) | (603) |
Depreciation | (135) | (249) |
Effect of translation adjustments | (9) | (11) |
Accumulated depreciation and impairment loss | € (1,007) | € (863) | € (603)

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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 2022-03-24 -Paragraph 53 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_h&doctype=Standard -URIDate 2022-03-24 + 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 2022-03-24 -Paragraph 53 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_a&doctype=Standard -URIDate 2022-03-24 + 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. 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 2022-03-24 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_j&doctype=Standard -URIDate 2022-03-24 + Details
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