XML 106 R86.htm IDEA: XBRL DOCUMENT v3.20.4
Share based compensation - JSOP 2016 and SOP 2019 narrative (Details)
12 Months Ended
Apr. 12, 2019
Dec. 31, 2020
EUR (€)
€ / shares
shares
Dec. 31, 2019
EUR (€)
item
€ / shares
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Total share-based payment expense recognized   € 21,600,000  
JSOP 2016      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock options exercised   5,701,996  
Outstanding vested options | shares   919,733  
Total share-based payment expense recognized   € 3,500,000 € 28,400,000
SOP 2019      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Total share-based payment expense recognized   € 100,000  
Number of shares per option | shares   1 1
Exercise price, share options granted | € / shares   € 1.00 € 1
Options waiting period   4 years 4 years
Options exercise period   7 years  
Minimum growth to exercise options (as a percent)   10.00% 10.00%
Number of tranches | item     1
SOP 2019 | Minimum      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Vesting period   3 years 4 years
SOP 2019 | Maximum      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Vesting period   4 years  
Option forfeiture period     6 months
Termination forfeiture period 4 years