Income Taxes - Schedule of Future Payments Under Tax Benefit Arrangements (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
2017	$ 11,296
2018	20,253
2019	20,438
2020	20,927
2021	21,491
Thereafter	324,666
Total	$ 419,071	$ 140,191

Income taxes projected future payments under tax benefit arrangements liability.

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Income taxes projected future payments under tax benefit arrangements liability next twelve months.

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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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