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Leases - Schedule of Maturities of Lease Liabilities (Detail) $ in Thousands	Mar. 31, 2021 USD ($)
Finance Leases
2021 (remaining nine month period)	$ 10,237
2022	13,898
2023	12,535
2024	0
2025	0
Beyond 2025	0
Total future lease payments	36,670
Less: Interest	(1,997)
Present value of lease liabilities	34,673
Operating Leases
2021 (remaining nine month period)	1,425
2022	1,602
2023	909
2024	768
2025	766
Beyond 2025	65
Total future lease payments	5,535
Less: Interest	(457)
Present value of lease liabilities	$ 5,078

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