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Pensions - Schedule of Quantitative Sensitivity Analysis (Details) - Final Salary Defined Benefit Pension Plan
€ in Thousands
Dec. 31, 2020
EUR (€)
Discount Rate  
Disclosure Of Defined Benefit Plans [Line Items]  
Defined benefit obligation due to reasonably possible increase in actuarial assumption € (282)
Defined benefit obligation due to reasonably possible decrease in actuarial assumption 309
Pension Increases (Decreases)  
Disclosure Of Defined Benefit Plans [Line Items]  
Defined benefit obligation due to reasonably possible increase in actuarial assumption 475
Defined benefit obligation due to reasonably possible decrease in actuarial assumption € (447)