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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
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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The amount of current trade receivables. [Refer: Trade receivables]

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