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Off-balance sheet commitments received and contingent assets (Details) € in Thousands	1 Months Ended
	Jun. 30, 2024 project	Dec. 31, 2025 EUR (€)	Dec. 31, 2024 EUR (€)	Dec. 31, 2023 EUR (€)
Disclosure Of Commitments Received [Line Items]
Number of projects terminated | project	2
Kreos & Claret financing
Disclosure Of Commitments Received [Line Items]
Undrawn borrowing facilities			€ 25,000
Heights convertible notes, tranche B
Disclosure Of Commitments Received [Line Items]
Undrawn borrowing facilities		€ 40,000
RNP-VIR conditional advance
Disclosure Of Commitments Received [Line Items]
Undrawn borrowing facilities				€ 3,255
CARENA conditional advance
Disclosure Of Commitments Received [Line Items]
Undrawn borrowing facilities				€ 1,853

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Disclosure Of Commitments Received [Line Items]

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Number Of Projects Terminated

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The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

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