Annual report pursuant to Section 13 and 15(d)

Equity - Additional Information (Detail)

v3.22.4
Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 31, 2022
Nov. 30, 2022
Sep. 30, 2022
Aug. 31, 2022
Jul. 31, 2022
Jun. 30, 2022
May 31, 2022
Apr. 30, 2022
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jul. 29, 2021
Class Of Stock [Line Items]                          
Partnership distributions, amount                   $ 7,912,000 $ 6,680,000 $ 6,297,000  
Distributions of partner incentive allocations of net income                   34,429,000 27,819,000 27,328,000  
Treasury stock, aggregate price                   $ 9,295,000 $ 512,000    
Class B Common Stock | Neosho                          
Class Of Stock [Line Items]                          
Issuance of common stock in connection with acquisition               1,224          
Class B Common Stock | Cortina                          
Class Of Stock [Line Items]                          
Issuance of common stock in connection with acquisition         66,573                
Class B Common Stock | Restricted Stock                          
Class Of Stock [Line Items]                          
Issuance of common stock             50,081            
Class B Common Stock | Resale And Registration Rights Agreement                          
Class Of Stock [Line Items]                          
Share conversion, Shares 108,382 13,933 740 770   7,549 31,922   2,889        
Class A Common Stock                          
Class Of Stock [Line Items]                          
Treasury stock, purchased 133,190 57,000 136,930 148,579           508,782 33,083    
Treasury stock, aggregate price                   $ 8,783,000 $ 512,000    
Class A Common Stock | Maximum                          
Class Of Stock [Line Items]                          
Stock repurchase program, authorized amount                         $ 15,000,000
Silvercrest L.P                          
Class Of Stock [Line Items]                          
Accrued partner incentive allocations                   $ 32,262,000 $ 34,781,000 $ 27,467,000