Subsequent events - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended
	Jan. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Subsequent Event [Line Items]
Common stock par value per share		$ 0.0001	$ 0.0001
Subsequent Event | Jefferies LLC
Subsequent Event [Line Items]
Common stock par value per share	$ 0.0001
Subsequent Event | Maximum | Jefferies LLC
Subsequent Event [Line Items]
Maximum potential proceeds from sale of equity	$ 100,000,000