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Trade Receivables - Summary of Trade Receivables Disaggregated by Nature of Relations with Customers (Detail) - EUR (€) € in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Total trade receivables, net | € 39,056 | € 41,259
Gross Carrying Amount [Member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Total trade receivables, net | 44,660 | 46,584
Gross Carrying Amount [Member] | Third Parties [Member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Total trade receivables, net | 37,203 | 38,556
Gross Carrying Amount [Member] | Related Party [Member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Total trade receivables, net | 7,457 | 8,028
Accumulated Impairment [Member] |  |
Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] |  |
Total trade receivables, net | € (5,604) | € (5,325)

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