Annual report [Section 13 and 15(d), not S-K Item 405]

Equity-Based Compensation - Additional Information (Detail)

v3.26.1
Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Jun. 04, 2025
Jun. 08, 2022
Dec. 31, 2025
May 31, 2025
May 31, 2024
Apr. 30, 2024
Sep. 30, 2023
May 31, 2023
Apr. 30, 2023
Nov. 30, 2022
May 31, 2022
Aug. 31, 2021
May 31, 2021
May 31, 2020
Mar. 31, 2020
May 31, 2019
Oct. 31, 2018
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Nov. 02, 2012
Class A Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted                                   23,130 15,017    
Class B Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted                                   137,765      
Non-Qualified Stock Options                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted                           86,764   60,742 105,398 509,481 279,529    
Restricted stock units\non-qualified stock options, granted description                                   One third of the NQOs vested and became 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                                   $ 1,826 $ 1,916    
Recognition period of unrecognized compensation expense related to unvested awards                                   1 year 10 months 24 days 1 year 7 months 6 days    
Unrecognized compensation expense related to unvested awards     $ 3,771                             $ 3,771 $ 3,378    
Restricted Stock Units                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted                                   46,834 68,919    
2012 Equity Incentive Plan                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Shares reserved for issuance, authorized 4,237,500 2,737,500                                     1,687,500
Increase in the number of shares issuable 1,500,000 1,050,000                                      
Shares reserved for issuance     1,766,101                             1,766,101 822,416    
2012 Equity Incentive Plan | Non-Qualified Stock Options                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Fair value assumptions, strike price     $ 15.29   $ 14.65                         $ 15.29      
Fair value assumptions, risk free rate     4.18%   4.63%                                
Fair value assumptions, expiration     10 years   10 years                                
Fair value assumptions, volatility     32.63%   35.50%                                
Fair value assumptions, dividend     5.49%   5.19%                                
Compensation expense forfeiture rate     1.00%   1.00%                                
2012 Equity Incentive Plan | Non-Qualified Stock Options | Class B Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Shares reserved for issuance           60,286 83,328                            
Restricted stock units granted     509,481   279,529                                
Number of shares issued for equity incentive plan           456 22,070                            
2012 Equity Incentive Plan | Employee                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted                         116,823 49,116 8,242 34,388          
Fair Value per unit                         $ 13.91 $ 10.11 $ 11.83 $ 14.54          
2012 Equity Incentive Plan | Employee | Class A Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted               11,822     10,270 1,827                  
Fair Value per unit               $ 18.61     $ 21.42 $ 15.96                  
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 granted     9,249                                    
Fair Value per unit     $ 14.48                             14.48      
Restricted stock units\non-qualified stock options, granted description     Twenty-five percent of the RSUs granted will vest and settle on each of the first, second, third and fourth anniversaries of the grant date.         The RSUs will vest and settle on the third anniversary of the grant date     These RSUs vested and settled in the form of Class A shares of SLP in May 2025 in August 2024.                  
2012 Equity Incentive Plan | Employee | Restricted Stock Units | Class B Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted     23,704   53,902       101,192 92,154                      
Fair Value per unit     $ 14.48   $ 14.65       $ 18.18 $ 18.99               $ 14.48      
Restricted stock units\non-qualified stock options, granted description     Twenty-five percent of the RSUs granted will vest and settle on each of the first, second, third and fourth anniversaries of the grant date.   Twenty-five percent of the RSUs granted will vest and settle on each of the first, second, third and fourth anniversaries of the grant date.       Twenty-five percent of the RSUs granted will vest and settle on each of the first, second, third and fourth anniversaries of the grant date. 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 | First Anniversary | Employee | Class A Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted         3,413                                
Fair Value per unit         $ 14.65                                
2012 Equity Incentive Plan | First Anniversary | Employee | Restricted Stock Units | Class A Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted       3,155                                  
Fair Value per unit       $ 15.85                                  
Restricted stock units\non-qualified stock options, granted description       The RSUs will vest and settle on the first anniversary of the grant date. These RSUs vested and settled in the form of Class A shares of SLP in May 2025                                
2012 Equity Incentive Plan | First Anniversary | Board of Directors                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock, vesting percentage     0.33%   0.33%                                
2012 Equity Incentive Plan | Second Anniversary | Board of Directors                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock, vesting percentage     0.33%   0.33%                                
2012 Equity Incentive Plan | Third Anniversary | Employee | Class B Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted         11,604                                
Fair Value per unit         $ 14.65                                
2012 Equity Incentive Plan | Third Anniversary | Employee | Restricted Stock Units | Class A Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units granted       10,726                                  
Fair Value per unit       $ 15.85                                  
Restricted stock units\non-qualified stock options, granted description       The RSUs will vest and settle on the third anniversary of the grant date.                                  
2012 Equity Incentive Plan | Third Anniversary | Employee | Restricted Stock Units | Class B Common Stock                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units\non-qualified stock options, granted description         The RSUs will vest and settle on the third anniversary of the grant date.                                
2012 Equity Incentive Plan | Third Anniversary | Board of Directors                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock, vesting percentage     0.33%   0.33%                                
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 | Fourth Anniversary | Board of Directors                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock, vesting percentage     0.33%   0.33%                                
2012 Equity Incentive Plan | Three Year Annual Vesting Period | Non-Qualified Stock Options                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                          
Restricted stock units\non-qualified stock options, granted description                                   One third of the NQOs will vest and become exercisable 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.    
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                                       in May 2024.