Allocation of Personnel Expenses -Summary of Allocation of Personnel Expenses By Nature (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share-based payments	$ (976)	$ (1,551)	$ (3,416)	$ (4,078)
Total Operating expenses	20,094	25,691	64,762	87,912
Expenses by Nature [Member]
Wages and salaries	3,505	3,793	11,001	12,629
Social security contributions	634	1,110	2,141	3,505
Expenses for pension commitments	214	286	723	981
Employer contribution to bonus shares	(406)	497	(236)	1,955
Share-based payments	976	1,551	3,416	4,078
Total Operating expenses	$ 4,922	$ 7,236	$ 17,045	$ 23,148