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Financial Risks Management - Additional Information (Details) - EUR (€)
€ in Thousands
6 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Oct. 16, 2017
Foreign Exchange Rates [Line Items]      
Fluctuation in currency (in percent) 10.00%    
Cash and cash equivalents and other financial assets € 116,812 € 145,464  
OCEANE      
Foreign Exchange Rates [Line Items]      
Aggregate nominal amount     € 180,000
Interest Rate Risk      
Foreign Exchange Rates [Line Items]      
Financial liabilities € 75,400 € 75,300