Commitments and Contingencies - Additional Information (Detail) - USD ($) |
Mar. 31, 2020 |
Dec. 31, 2019 |
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| Commitments And Contingencies Disclosure [Abstract] | ||
| Accrued termination charges | $ 0 | $ 0 |
| Liabilities related to indemnification agreements | $ 0 | $ 0 |
| X | ||||||||||
- Definition Accrued termination charges. No definition available.
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| X | ||||||||||
- Definition Liabilities related to indemnification agreements. No definition available.
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| X | ||||||||||
- References No definition available.
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