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Derivative financial instruments - Schedule of Interest Rate Swap (IRS) Agreements (Details) - Interest rate swaps - Interest rate risk - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
At fair value
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Fair value	€ (199)	€ (324)
Financial Instruments Held For Hedging
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Notional amount	81,295	82,631
IRS 1 | At fair value
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Fair value	€ 38	49
IRS 1 | Financial Instruments Held For Hedging
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Maturity date	Jun. 30, 2027
Interest rate terms	2.10%
Notional amount	€ 50,000	50,000
IRS 2 | At fair value
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Fair value	€ (261)	(439)
IRS 2 | Financial Instruments Held For Hedging
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Maturity date	Jun. 14, 2027
Interest rate terms	2.77%
Notional amount	€ 30,000	30,000
IRS 3 | At fair value
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Fair value	€ 24	57
IRS 3 | Financial Instruments Held For Hedging
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Maturity date	Sep. 30, 2027
Interest rate terms	0.22%
Notional amount	€ 1,295	2,035
IRS 4 | At fair value
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Fair value	€ 0	9
IRS 4 | Financial Instruments Held For Hedging
Disclosure Of Detailed Information About Interest Rate Swap Contract [Line Items]
Maturity date	Dec. 31, 2025
Interest rate terms	(0.15%)
Notional amount	€ 0	€ 596

X

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard
-URIDate 2025-03-27

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X

- Definition

The amount of derivative financial assets held for hedging. [Refer: Derivative financial assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

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X

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

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- Definition

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- Definition

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