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v3.19.3

Summary of Significant Accounting Policies - Schedule of Recurring Assets and Liabilities Measured at Fair Value (Parenthetical) (Detail) | Sep. 30, 2019 | Dec. 31, 2018
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Derivatives Fair Value [Line Items] |  |
Loan rate swapped for fixed interest rate | 5.237% |
1-Month LIBOR | Minimum [Member] |  |
Derivatives Fair Value [Line Items] |  |
Interest rate cap for loan | 2.50% | 2.50%
1-Month LIBOR | Maximum [Member] |  |
Derivatives Fair Value [Line Items] |  |
Interest rate cap for loan | 3.25% | 3.25%

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