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Equity-based Awards - Summary of Information Regarding Restricted Stock Awards (Detail) - Restricted Stock Units (RSUs) [Member] - Two Thousand Seventeen Non Employee Directors Compensation Plan [Member] - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Outstanding, Number of Units, Beginning Balance 8,898 16,157
Granted, Number of Units 0 0
Forfeited, Number of Units 0 0
Vested, Number of Units (5,565) (7,259)
Outstanding, Number of Units, Ending Balance 3,333 8,898
Outstanding, Weighted-Average Grant Date Fair Value per unit, Beginning balance [1] $ 5.12 $ 5.12
Granted, Weighted-Average Grant Date Fair Value per Unit [1] 0 0
Forfeited, Weighted-Average Grant Date Fair Value per Unit [1] 0 0
Vested, Weighted-Average Grant Date Fair Value per Unit [1] 5.12 5.12
Outstanding, Weighted-Average Grant Date Fair Value per unit, Ending balance [1] $ 5.12 $ 5.12
[1] Determined by dividing the aggregate grant date fair value of awards by the number of awards issued.