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Finance Income and Costs - Summary of Analysis of Finance Costs (Detail) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure Of Finance Income [Abstract]
Interest expenses due to financial institutions	€ 1,803	€ 2,864	€ 3,298
Interests expenses related to lease liabilities	2,613	2,635
Other interest expenses	1,546	431	498
Financial institution commissions	1,869	1,998	1,784
Total	€ 7,831	€ 7,928	€ 5,580

X

- Definition

The amount of costs associated with financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 1
-IssueDate 2020-01-01
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X

- Definition

The amount of interest expense on deposits from banks. [Refer: Interest expense; Deposits from banks]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
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X

- Definition

The amount of interest expense on lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2020-01-01
-Paragraph 53
-Subparagraph b
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X

- Definition

The amount of interest expense on other financial liabilities. [Refer: Interest expense; Other financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard
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X

- Definition

Bank commissions.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

Disclosure of finance income.

+ References

No definition available.

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