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Leases - Schedule of Maturities of Lease Liabilities (Detail) $ in Thousands	Sep. 30, 2021 USD ($)
Finance Leases
2021 (remaining three month period)	$ 6
2022	12
2023	3
2024	0
2025	0
Beyond 2025	0
Total future lease payments	21
Less: Interest	(1)
Present value of lease liabilities	20
Operating Leases
2021 (remaining three month period)	3,697
2022	15,517
2023	13,454
2024	16,797
2025	18,192
Beyond 2025	53,881
Total future lease payments	121,538
Less: Interest	(19,229)
Present value of lease liabilities	$ 102,309

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