| Other Receivables - Summary of Other Receivables (Details) - EUR (€) € in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | 
|---|---|---|
| Other Receivables [Abstract] | ||
| Advances To Suppliers | € 703 | € 373 | 
| Accrued income and prepayments | 9,847 | 5,555 | 
| VAT receivables | 20,789 | 18,198 | 
| Other receivables | 1,671 | 2,215 | 
| Total other receivables | € 33,010 | € 26,341 | 
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- Definition The amount of current prepayments and current accrued income, other than current contract assets. [Refer: Prepayments; Accrued income other than contract assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition The amount of current value added tax receivables. [Refer: Value added tax receivables] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition The amount of current other receivables. [Refer: Other receivables] Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition The amount receivable by the entity that it does not separately disclose in the same statement or note. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Advances to suppliers. No definition available. 
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- Definition Other receivables. No definition available. 
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