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Share-based payments - Complex vesting conditional upon listing (Fair Value at Grant Date) (Details) - Complex vesting conditional upon listing
Nov. 18, 2020
USD ($)
$ / shares
Nominal value of related cash payments at assumed vesting date  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Vesting period 12
Market price, $ $ 9.91
Strike price, $ $ 10.00
Expected volatility 34.80%
Dividend yield 0.00%
Risk free interest rate 0.11%
FV of option, $ | $ $ 1.34
Black-Scholes-Merton pricing mode  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Vesting period 8
Market price, $ $ 9.91
Strike price, $ $ 10.00
Expected volatility 34.80%
Dividend yield 0.00%
Risk free interest rate 0.11%
FV of option, $ | $ $ 1.11