Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Equity-Based Compensation - Summary of NQO Grants (Detail) - Non-Qualified Options - $ / shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Beginning Balance, Units 166,140 105,398
Granted, Units 86,764 60,742
Ending Balance, Units 252,904 166,140
Fair Value per unit   $ 13.97
Fair Value per unit, Granted $ 10.18 14.54
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Fair Value per unit 13.19  
Fair Value per unit 10.18 13.97
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Fair Value per unit 14.54  
Fair Value per unit $ 14.54 $ 14.54