Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Equity-Based Compensation - Summary of RSU Grants (Detail) - Restricted Stock Units - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Beginning Balance, Units 83,150 37,234 37,234
Restricted stock units granted 21,598 8,242  
Vested, Units (21,598)    
Ending Balance, Units 83,150 45,476 83,150
Fair Value per unit, Granted $ 13.89 $ 11.83  
Fair Value per unit, Vested (13.89)    
Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Fair Value per unit 10.18 13.19 $ 13.19
Fair Value per unit   11.83 10.18
Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Fair Value per unit $ 14.54 14.54 14.54
Fair Value per unit   $ 14.54 $ 14.54