Net loss per share - Narrative (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net loss per share applicable to common stockholders - basic (in dollars per share)	$ 1.93	$ 2.93
Net loss per share applicable to common stockholders - diluted (in dollars per share)	$ 1.93	$ 2.93