Income Taxes - Schedule of Future Payments Under Tax Benefit Arrangements (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Remainder of 2020	$ 8,027
2021	0
2022	22,202
2023	28,088
2024	35,545
Thereafter	362,144
Total	$ 456,006	$ 427,216

Income taxes projected future payments under tax benefit arrangements liability.

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Income taxes projected future payments under tax benefit arrangements liability remainder of fiscal year.

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Income taxes projected future payments under tax benefit arrangements liability year five.

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Income taxes projected future payments under tax benefit arrangements liability year four.

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Income taxes projected future payments under tax benefit arrangements liability year thereafter.

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Income taxes projected future payments under tax benefit arrangements liability year three.

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Income taxes projected future payments under tax benefit arrangements liability year two.

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