Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation - Summary of RSU Grants (Detail)

v3.20.2
Equity-Based Compensation - Summary of RSU Grants (Detail) - Restricted Stock Units - $ / shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Beginning Balance, Units 37,234 247,316
Granted, Units 57,358 34,388
Vested, Units (11,443) (2,843)
Ending Balance, Units 83,149 278,861
Fair Value per unit, Granted   $ 14.54
Fair Value per unit, Vested   13.19
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Fair Value per unit $ 13.19 13.19
Fair Value per unit, Granted 10.18  
Fair Value per unit, Vested 13.19  
Fair Value per unit 10.18 13.19
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Fair Value per unit 14.54 13.23
Fair Value per unit, Granted 11.83  
Fair Value per unit, Vested 14.54  
Fair Value per unit $ 14.54 $ 14.54