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Assets Held for Sale - Additional Information (Detail) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 01, 2021 EUR (€) | Jan. 08, 2021 EUR (€) | Sep. 30, 2021 EUR (€) | May 31, 2021 EUR (€) | Mar. 31, 2021 EUR (€) | Dec. 31, 2021 EUR (€) | Dec. 31, 2020 EUR (€) Asset | Dec. 31, 2019 EUR (€)
Assets Held For Sale [Line Items] |  |  |  |  |  |  |  |
(Gain) from loss of control in a former subsidiary | € 5,026,000 |  |  |  |  | € 5,026,000 |  |
Revenue |  |  |  |  |  | 427,375,000 | € 328,343,000 | € 386,962,000
Profit / (loss) before tax |  |  |  |  |  | € 8,774,000 | (20,565,000) | € (31,345,000)
IMPE S.p.A. [member] |  |  |  |  |  |  |  |
Assets Held For Sale [Line Items] |  |  |  |  |  |  |  |
Carrying amount of assets and liabilities | € 3,176,000 |  |  |  |  |  |  |
Additional interest in subsidiary |  |  |  |  |  | 100.00% |  |
Revenue |  |  |  |  |  | € 2,217,000 |  |
Profit / (loss) before tax |  |  |  |  |  | € 261,000 |  |
Non-current Assets Held For Sale [member] | Classification of Assets as Held For Sale [member] | Industrial Real Estate Complexes [Member] |  |  |  |  |  |  |  |
Assets Held For Sale [Line Items] |  |  |  |  |  |  |  |
Description of non-current asset or disposal group held for sale which were sold or reclassified |  |  |  |  |  | Parent signed two separate sale contracts with two third parties for the disposal of two idle industrial real estate complexes located in the city of Altamura (Bari), just a few miles away from its headquarters |  |
Cash consideration on disposal of non-current assets held for sale |  |  |  |  |  | € 2,550,000 |  |
Non-current assets or disposal groups classified as held for sale |  |  |  |  |  |  | € 1,704,000 |
Gain on non-current assets or disposal groups classified as held for sale |  |  |  |  |  | € 846,000 |  |
Non-current Assets Held For Sale [member] | Classification of Assets as Held For Sale [member] | Industrial Real Estate Complex [member] |  |  |  |  |  |  |  |
Assets Held For Sale [Line Items] |  |  |  |  |  |  |  |
Description of non-current asset or disposal group held for sale which were sold or reclassified |  |  | Parent sold to third parties two idle industrial real estate complexes located in the city of Altamura (Bari), just a few miles away from its headquarters (see note 7) and a site located in High Point (North Caroline, USA), | Parent sold to third parties two idle industrial real estate complexes located in the city of Altamura (Bari), just a few miles away from its headquarters (see note 7) and a site located in High Point (North Caroline, USA), | Parent sold to third parties two idle industrial real estate complexes located in the city of Altamura (Bari), just a few miles away from its headquarters (see note 7) and a site located in High Point (North Caroline, USA), |  |  |
Cash consideration on disposal of non-current assets held for sale |  |  | € 4,254,000 | € 4,254,000 | € 4,254,000 |  |  |
Number of noncurrent assets held for sale | Asset |  |  |  |  |  |  | 2 |
Vita Group [member] | IMPE S.p.A. [member] |  |  |  |  |  |  |  |
Assets Held For Sale [Line Items] |  |  |  |  |  |  |  |
Additional interest in subsidiary | 100.00% |  |  |  |  |  |  |
Purchase of interest in subsidiary | € 8,202,000 |  |  |  |  |  |  |
Vita Group [member] | Share Sell and Purchase Agreement [member] | Disposal Groups Classified as Held For Sale [member] | IMPE S.p.A. [member] |  |  |  |  |  |  |  |
Assets Held For Sale [Line Items] |  |  |  |  |  |  |  |
Disposal group assets held for sale, cumulative income (expense) included in OCI |  |  |  |  |  |  | € 0 |
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 |  | € 6,100,000 |  |  |  |  |  |
Disposal group assets held for sale purchase price adjustments |  | 2,100,000 |  |  |  |  |  |
Disposal group assets held for sale, ownership percentage upon closing of sale transaction | 100.00% |  |  |  |  |  |  |
Disposal group assets held for sale cash consideration received |  | € 8,202,000 |  |  |  |  |  |

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