Leases - Additional Information (Detail) $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 07, 2022 ft²	Sep. 30, 2023 USD ($) ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) ft²	Sep. 30, 2022 USD ($)
Lessee Lease Description [Line Items]
Payment of operating lease termination fee				$ 400
Remaining term description of leases				The Company’s existing leases have remaining terms of less than one year up to 27 years.
Weighted average remaining lease term		8 years 8 months 12 days	9 years 1 month 6 days	8 years 8 months 12 days	9 years 1 month 6 days
Weighted average discount rate		6.20%	6.30%	6.20%	6.30%
Lease cost		$ 3,327	$ 3,199	$ 11,479	$ 9,170
Santa Monica
Lessee Lease Description [Line Items]
Area under operating leases for corporate headquarters | ft²	38,000	16,000		16,000
Operating lease extended expire date	Jan. 31, 2034
Operating lease amended date	Jun. 07, 2022
Los Angeles
Lessee Lease Description [Line Items]
Area under operating leases for corporate headquarters | ft²		41,000		41,000
Direct Operating Expenses
Lessee Lease Description [Line Items]
Lease cost		$ 1,400	1,500	$ 4,300	4,500
Selling, General and Administrative Expenses
Lessee Lease Description [Line Items]
Lease cost		1,600	1,500	6,200	4,200
Corporate Expenses
Lessee Lease Description [Line Items]
Lease cost		$ 300	$ 200	$ 1,000	$ 500
Maximum
Lessee Lease Description [Line Items]
Remaining term of leases				27 years