Share-based compensation - Restricted Stock Units (Details) - Restricted Stock Units (RSUs)	3 Months Ended
	Mar. 31, 2023 $ / shares shares
Units
Outstanding, beginning of period (in shares) | shares	8,417,357
Granted (in shares) | shares	4,593,134
Vested (in shares) | shares	(370,146)
Forfeited (in shares) | shares	(353,645)
Outstanding, end of period (in shares) | shares	12,286,700
Weighted-Average Grant Date Fair Value (per share)
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 29.61
Granted (in dollars per share) | $ / shares	20.02
Vested (in dollars per share) | $ / shares	31.75
Forfeited (in dollars per share) | $ / shares	29.95
Outstanding, end of period (in dollars per share) | $ / shares	$ 25.99