Severance and Retention - Summary of Severance and Retention Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost And Reserve [Line Items]
Severance and retention expense	$ 577	$ 2,852
Cost of Revenues [Member]
Restructuring Cost And Reserve [Line Items]
Severance and retention expense	137	884
General and Administrative [Member]
Restructuring Cost And Reserve [Line Items]
Severance and retention expense	20	55
Sales and Marketing [Member]
Restructuring Cost And Reserve [Line Items]
Severance and retention expense	406	1,643
Research and Development [Member]
Restructuring Cost And Reserve [Line Items]
Severance and retention expense	$ 14	$ 270