Post-effective amendment to a registration statement that is not immediately effective upon filing

Financial risk management - Additional Information (Detail)

v3.22.2.2
Financial risk management - Additional Information (Detail)
€ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2022
EUR (€)
Dec. 31, 2021
EUR (€)
Customers
Dec. 31, 2020
EUR (€)
Customers
Disclosure of Financial Risk Management [Line Items]      
Notional amount € 120,000 € 120,000  
Senior Debt [Member]      
Disclosure of Financial Risk Management [Line Items]      
Borrowings, average maturity 4 years 5 years 6 years
Revenue Concentration Risk [Member]      
Disclosure of Financial Risk Management [Line Items]      
Concentration of risk revenue number of customers | Customers   8 6
Concentration of risk revenue benchmark   € 400  
Percentage of entity's revenue   82.00% 55.00%
Trade Receivables and Contract Assets Concentration Risk [Member]      
Disclosure of Financial Risk Management [Line Items]      
Concentration of risk trade receivables and contract assets number of customers | Customers   1 1
Concentration of risk Trade receivables and contract assets benchmark   € 4,000  
Concentration of risk trade receivables and contract assets percentage   67.00% 47.00%
Bottom of range [member]      
Disclosure of Financial Risk Management [Line Items]      
Percentage of entity's revenue   10.00%  
May Two Thousand and Twenty Six [Member] | Interest Rate Cap [Member]      
Disclosure of Financial Risk Management [Line Items]      
Notional amount   € 83,054 € 67,887
Interest rate risk [member]      
Disclosure of Financial Risk Management [Line Items]      
Fixed interest borrowings percentage   47.00% 58.00%
Interest rate risk [member] | Interest Rate Cap [Member]      
Disclosure of Financial Risk Management [Line Items]      
Derivative instrument coverage of variable loan principal outstanding   69.00% 90.00%
Derivative instrument mitigation risk percentage   69.00% 65.00%
Interest rate risk [member] | Interest Rate Cap [Member] | Bottom of range [member]      
Disclosure of Financial Risk Management [Line Items]      
Derivative instrument strike price percentage   0.72%  
Interest rate risk [member] | Interest Rate Cap [Member] | Top of range [member]      
Disclosure of Financial Risk Management [Line Items]      
Derivative instrument strike price percentage   1.76%