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Leases - Schedule of Undiscounted Cash Flows for Finance and Operating Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finance Leases
2021	$ 32,909
2022	990
2023	990
2024	1,007
2025	1,089
Thereafter	23,999
Total minimum lease payments	60,984
Less: amount of lease payments representing interest	18,052
Present value of future minimum lease payments	42,932
Less: Current portion of lease liabilities	32,188	$ 3,765
Noncurrent lease liabilities	10,744
Operating Leases
2021	25,015
2022	21,032
2023	17,336
2024	14,832
2025	12,101
Thereafter	52,866
Total minimum lease payments	143,182
Less: amount of lease payments representing interest	40,237
Present value of future minimum lease payments	102,945
Current portion of operating lease liabilities	18,916	18,119
Operating lease liabilities	$ 84,029	$ 85,643

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