Revenue from contracts with customers - Schedule of Deferred Revenue from customers (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Deferred revenue from customers as of January 1	$ 1,224	$ 700
Consideration received in the period	191
Revenue from customers recognized in the period	(694)	(140)
Deferred revenue from customers as of March 31	$ 721	$ 560