Earnings per share - Narrative (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2021
shares
| |
| Class A shares | |
| Earnings per share [line items] | |
| Number of instruments that are antidilutive in period presented (in shares) | 5,278,761 |
| Class B | |
| Earnings per share [line items] | |
| Number of instruments that are antidilutive in period presented (in shares) | 2,099,551 |