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Assets Held for Sale - Additional Information (Detail) - EUR (€) € in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jan. 08, 2021
Assets Held For Sale [Line Items] |  |  |  |  |
(Gain) from loss of control in a former subsidiary |  |  | € 5,026 |  |
Revenue |  | € 468,487 | 427,375 | € 328,343 |
Profit / (loss) before tax |  | € 3,561 | € 8,774 | € (20,565) |
Vita Group [member] | Share Sell and Purchase Agreement [member] | Disposal Groups Classified as Held For Sale [member] | IMPE S.p.A. [member] | Classification of Assets as Held For Sale [member] |  |  |  |  |
Assets Held For Sale [Line Items] |  |  |  |  |
Disposal group assets held for sale, consideration agreed |  |  |  |  | € 8,200
Disposal group assets held for sale, last tranche | € 1,100 |  |  |  |

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