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Commitments and Contingencies - Schedule of Future Minimum Payments Under Employment Agreements (Detail) | Dec. 31, 2020 USD ($)
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Commitments And Contingencies [Abstract] |
2021 | $ 3,965,000
2022 | 3,081,000
2023 | 2,073,000
2024 | 2,073,000
2025 | 864,000
Total | $ 12,056,000

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