Annual report pursuant to Section 13 and 15(d)

Equity-Based Compensation - Additional Information (Detail)

v3.22.0.1
Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2021
May 31, 2021
Jan. 31, 2021
May 31, 2020
Mar. 31, 2020
May 31, 2019
Oct. 31, 2018
Jan. 31, 2018
May 31, 2016
Dec. 31, 2021
Dec. 31, 2020
Nov. 02, 2012
Class A Common Stock                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted                   14,318 8,242  
Class B Common Stock                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted                   170,854    
Non-Qualified Stock Options                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted       86,764   60,742 105,398          
Restricted stock units\non-qualified stock options, granted description               One third of the NQOs will vest and settle on each of the first, second and third anniversaries of the grant date.   One third of the NQOs will vest and become exercisable on each of the first, second and third anniversaries of the grant date.    
Fair value assumptions, strike price       $ 10.18   $ 14.54 $ 13.97          
Fair value assumptions, risk free rate       0.64%   2.32% 2.94%          
Fair value assumptions, expiration       10 years   5 years 5 years          
Fair value assumptions, volatility       48.00%   34.20% 32.70%          
Compensation expense forfeiture rate       1.00%   1.00% 1.00%          
Compensation expense                   $ 1,426    
Recognition period of unrecognized compensation expense related to unvested awards                   1 year 2 months 19 days 1 year 5 months 8 days  
Unrecognized compensation expense related to unvested awards                   $ 2,047 $ 1,342  
Restricted Stock Units                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Compensation expense                     $ 659  
2012 Equity Incentive Plan                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Shares reserved for issuance                   192,689 345,428  
Shares reserved for issuance, authorized                       1,687,500
Restricted stock units granted                 3,791      
Fair Value per unit                 $ 13.19      
Restricted stock units\non-qualified stock options, granted description                   Twenty-five percent of the RSUs granted vest and settle on each of the first, second, third and fourth anniversaries of the grant date.    
2012 Equity Incentive Plan | Employee                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted   116,823 21,598 49,116   34,388     7,582      
Fair Value per unit   $ 13.91 $ 13.89 $ 10.11   $ 14.54     $ 13.19      
Restricted stock units\non-qualified stock options, granted description                   Twenty-five percent of the RSUs granted vest and settle on each of the first, second, third and fourth anniversaries of the grant date.    
2012 Equity Incentive Plan | Employee | Class A Common Stock                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted 1,827 856                    
Fair Value per unit $ 15.96 $ 14.61                    
2012 Equity Incentive Plan | Employee | Restricted Stock Units                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units\non-qualified stock options, granted description                   Twenty-five percent of the RSUs granted vest and settle on each of the first, second, third and fourth anniversaries of the grant date.    
2012 Equity Incentive Plan | Employee | Restricted Stock Units | Class A Common Stock                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units\non-qualified stock options, granted description The RSUs vest and settle on the third anniversary of the grant date.                      
2012 Equity Incentive Plan | Board of Directors                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted         8,242       3,000      
Fair Value per unit         $ 11.83       $ 13.19      
Restricted stock units\non-qualified stock options, granted description                   One hundred percent of the RSUs granted vest and settle on the first anniversary of the grant date.    
2012 Equity Incentive Plan | Board of Directors | Restricted Stock Units                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units\non-qualified stock options, granted description                   All of the RSUs granted vest on the third anniversary of the grant date.    
2012 Equity Incentive Plan | First Anniversary | Employee                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock, vesting percentage           25.00%            
2012 Equity Incentive Plan | First Anniversary | Board of Directors                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock, vesting percentage                 100.00%      
2012 Equity Incentive Plan | Fourth Anniversary                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock, vesting percentage                 25.00%      
2012 Equity Incentive Plan | Fourth Anniversary | Employee                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock, vesting percentage   25.00%   25.00%         25.00%      
2012 Equity Incentive Plan | Three Year Annual Vesting Period | Employee | Class A Common Stock                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units granted   11,635                    
Fair Value per unit   $ 14.61                    
2012 Equity Incentive Plan | Three Year Annual Vesting Period | Employee | Restricted Stock Units | Class A Common Stock                        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                        
Restricted stock units\non-qualified stock options, granted description                   One third of the RSUs granted vest and settle on each of the first, second and third anniversaries of the grant date.