Stock-based compensation - Schedule of restricted stock unit and performance stock unit activity (Details)	6 Months Ended
	Jun. 30, 2023 $ / shares shares
Restricted stock units
Number of Shares
Outstanding, beginning balance (in shares) | shares	2,245,968
Granted (in shares) | shares	143,000
Vested and released (in shares) | shares	(989,969)
Forfeited (in shares) | shares	(101,883)
Outstanding, ending balance (in shares) | shares	1,297,116
Weighted Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 11.99
Granted (in dollars per share) | $ / shares	11.64
Vested and released (in dollars per share) | $ / shares	12.40
Forfeited (in dollars per share) | $ / shares	11.22
Outstanding, ending balance (in dollars per share) | $ / shares	$ 11.69
Performance stock units
Number of Shares
Outstanding, beginning balance (in shares) | shares	1,328,482
Granted (in shares) | shares	523,938
Vested and released (in shares) | shares	(1,328,482)
Forfeited (in shares) | shares	(32,375)
Outstanding, ending balance (in shares) | shares	491,563
Weighted Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 39.41
Granted (in dollars per share) | $ / shares	11.97
Vested and released (in dollars per share) | $ / shares	39.41
Forfeited (in dollars per share) | $ / shares	11.97
Outstanding, ending balance (in dollars per share) | $ / shares	$ 11.97