Retirement Plan - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Retirement plan, employees maximum pre-tax contributions percentage	60.00%
401 (K) Plan
Defined Benefit Plan Disclosure [Line Items]
Retirement plan, employees maximum pre-tax contributions percentage	6.00%
Employer matching contribution, percent of employee's contribution	50.00%
Maximum annual contributions per employee, amount	$ 5,000