v3.25.3
Financial liabilities - Disclosure of the main data and assumptions, Heights convertible loan notes (Details) - Heights convertible notes, tranche A
€ in Thousands
Dec. 31, 2024
EUR (€)
€ / shares
Disclosure of financial liabilities [line items]  
Original principal amount | € € 35,000
Fair value of convertible notes | € € 20,017
Interest rate | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 0.06
Conversion price per share (in euro per share) | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 23.77
Ordinary share price (in euro per share) | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 6.76
Held to maturity scenario probability | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 0.75
Initial price limit, (in euro per share) | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 14.43
Early redemption amount (put event) | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 1.2000
Volatility | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 0.50
Credit spread | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 0.25
Risk-free rate | Monte Carlo model  
Disclosure of financial liabilities [line items]  
Significant unobservable input, liabilities 0.029