Annual report pursuant to Section 13 and 15(d)

Equity - Additional Information (Detail)

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Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Aug. 31, 2023
Jun. 30, 2023
May 31, 2023
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Jul. 29, 2021
Class Of Stock [Line Items]                
Partnership distributions, amount         $ 7,818,000 $ 7,912,000 $ 6,680,000  
Distributions of partner incentive allocations of net income         32,262,000 34,429,000 27,819,000  
Treasury stock, aggregate price         $ 15,057,000 $ 9,295,000    
Class A Common Stock                
Class Of Stock [Line Items]                
Treasury stock, purchased 37,820 106,096 60,028 95,729 808,455 508,782    
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         $ 31,289,000 $ 32,262,000 $ 34,781,000