Operating Lease - Additional Information (Detail) - Pacific Palisades, California [Member] - ft²	1 Months Ended
	Aug. 31, 2021	Apr. 30, 2019
Lessee Lease Description [Line Items]
Operating lease, agreement term		28 months
Area of office space on operating lease		2,760
Operating lease, commencement date		May 01, 2019
Operating lease, rent abatement period	9 months	4 months
Operating lease, expiration date	Feb. 28, 2025	Aug. 31, 2021
Operating lease, lease amendment term	3 years	3 years
Operating lease, extend the term for an additional period	3 years 6 months