Stock-based compensation - Summary of RSU activity (Details)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Restricted stock units
Shares
Outstanding, beginning balance (in shares)	465,291
Granted (in shares)	0
Vested (in shares)	(135,301)
Forfeited (in shares)	(175,990)
Outstanding, ending balance (in shares)	154,000
Weighted-Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 25.09
Granted (in dollars per share) | $ / shares	0
Vested (in dollars per share) | $ / shares	26.52
Forfeited (in dollars per share) | $ / shares	28.91
Outstanding, ending balance (in dollars per share) | $ / shares	$ 19.47
Number of shares retained to cover statutory minimum withholding taxes	17,556
Time-Based Restricted Stock Units
Shares
Outstanding, beginning balance (in shares)	0
Granted (in shares)	824,600
Vested (in shares)	0
Forfeited (in shares)	(74,390)
Outstanding, ending balance (in shares)	750,210
Weighted-Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 0
Granted (in dollars per share) | $ / shares	5.37
Vested (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	5.67
Outstanding, ending balance (in dollars per share) | $ / shares	$ 5.35