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Financial Risks Management - Additional Information (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Oct. 16, 2017
Foreign Exchange Rates [Line Items]        
Fluctuation in currency (in percent) 10.00%      
Cash and cash equivalents and other financial assets € 145,464 € 263,187 € 172,486  
OCEANE        
Foreign Exchange Rates [Line Items]        
Aggregate nominal amount       € 180,000
Interest Rate Risk        
Foreign Exchange Rates [Line Items]        
Financial liabilities € 75,300 € 74,200