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Leases - Schedule of Maturities of Lease Liabilities (Detail) $ in Thousands	Dec. 31, 2020 USD ($)
Finance Leases
2021	$ 13,689
2022	13,886
2023	12,526
Total future lease payments	40,101
Less: Interest	(2,380)
Present value of lease liabilities	37,721
Operating Leases
2021	1,142
2022	839
2023	143
Total future lease payments	2,124
Less: Interest	(83)
Present value of lease liabilities	$ 2,041

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