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Related Parties and Information about Significant Non-Recurring Events and A tipycal/Unusual Transactions - Schedule of Transactions With Directors of the Group (Detail) - EUR (€) € in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Transactions Between Related Parties [Line Items]
Amounts due			€ 124
Director
Disclosure Of Transactions Between Related Parties [Line Items]
Cost	€ 86	€ 392	165
Director | Legal Services
Disclosure Of Transactions Between Related Parties [Line Items]
Cost	€ 86	€ 392	32
Director | Consultancy Fees For Business Strategy
Disclosure Of Transactions Between Related Parties [Line Items]
Cost			€ 133

X

- Definition

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

+ References

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-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 20
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2021-01-01
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-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2021-03-24

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

Amounts related party transactions cost.

+ References

No definition available.

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