Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Financial risk management - Additional Information (Detail)

v3.23.3
Financial risk management - Additional Information (Detail)
€ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2023
EUR (€)
interest_cap
Dec. 31, 2022
EUR (€)
interest_cap
Dec. 19, 2022
EUR (€)
Fair Value Measurement Input      
Disclosure of Financial Risk Management [Line Items]      
Percentage of reasonably possible decrease in unobservable input, entity's own equity instruments 40.00%    
Percentage of reasonably possible increase in unobservable input, entity's own equity instruments 40.00%    
Interest Rate Cap | Interest rate risk      
Disclosure of Financial Risk Management [Line Items]      
Derivative instrument coverage of variable loan principal outstanding (percent) 0.74% 0.65%  
Interest Rate Cap | Interest rate risk | Bottom of range      
Disclosure of Financial Risk Management [Line Items]      
Derivative instrument strike price percentage 0.015%    
Derivative instrument mitigation risk percentage 0.65% 0.65%  
Interest Rate Cap | Interest rate risk | Top of range      
Disclosure of Financial Risk Management [Line Items]      
Derivative instrument strike price percentage 0.0343%    
Derivative instrument mitigation risk percentage 0.74% 0.85%  
Later than one year | Renewed facility      
Disclosure of Financial Risk Management [Line Items]      
Debt instrument, term 4 years 5 years  
Interest Rate Cap      
Disclosure of Financial Risk Management [Line Items]      
Number of derivative instruments | interest_cap 2 2  
Notional amount     € 237,458
Interest Rate Cap | 2027      
Disclosure of Financial Risk Management [Line Items]      
Notional amount € 237,458    
Interest Rate Cap | 2026      
Disclosure of Financial Risk Management [Line Items]      
Notional amount   € 181,487