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Commitments and Contingencies - Schedule of Future Minimum Annual Commitments Under Operating Leases (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Commitments and Contingencies Disclosure [Abstract] |  |
2020 | $ 2,275 |
2021 | 2,275 |
2022 | 2,275 |
2023 | 2,275 |
2024 | 2,275 |
Thereafter | 29,575 |
Total future minimum annual commitments under operating lease obligations | 40,950 |
Accounts receivable, net | $ 60,052 | $ 18,989

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