401(k) Plan - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Compensation And Retirement Disclosure [Abstract]
Employer's matching contribution percentage on first 6% contributed by employee to a defined contribution plan	100.00%
Maximum percentage of employee's earnings that the company may contribute to the defined contribution plan	6.00%
Defined benefit plan expense	$ 1.9	$ 1.9	$ 1.9