Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Breakdown of expenses by nature - Additional Information (Detail)

v3.23.1
Breakdown of expenses by nature - Additional Information (Detail)
€ in Thousands
12 Months Ended
Dec. 31, 2022
EUR (€)
employee
Dec. 31, 2021
EUR (€)
employee
Dec. 31, 2020
EUR (€)
employee
Disclosure Of Expenses By Nature [Line Items]      
Past service costs defined benefit plans € 0 € 19  
Country of domicile      
Disclosure Of Expenses By Nature [Line Items]      
Number of employees | employee 163 127 189
Country of domicile | The Netherlands | Jubilee Plan      
Disclosure Of Expenses By Nature [Line Items]      
Post-employment benefit expense in profit or loss, defined benefit plans € (47) € (5)  
Discount rate 3.60% 0.80%  
Salary increases 2.50% 2.50%  
Actuarial assumption of retirement age 68 years 68 years  
Provision for employee benefits € 26 € 73 € 78
Past service costs defined benefit plans 0 (19)  
Country of domicile | The Netherlands | ABP Defined Contribution Pension Plan      
Disclosure Of Expenses By Nature [Line Items]      
Post-employment benefit expense, defined contribution plans € 1,290 € 1,034 € 1,716
Funding ratio percentage 110.90% 110.20% 93.50%
Policy funding ratio percentage 118.60% 102.80% 87.60%
Policy funding ratio statutory requirement percentage 104.00%    
Foreign countries      
Disclosure Of Expenses By Nature [Line Items]      
Number of employees | employee 59 40 52
Foreign countries | Belgium | ABP Defined Benefit Pension Plan      
Disclosure Of Expenses By Nature [Line Items]      
Post-employment benefit expense in profit or loss, defined benefit plans € 0 € 10 € 27
Foreign countries | Germany United Kingdom Sweden And Norway | ABP Defined Contribution Pension Plan      
Disclosure Of Expenses By Nature [Line Items]      
Post-employment benefit expense, defined contribution plans € 67 € 75 € 124