Quarterly report pursuant to Section 13 or 15(d)

Equity - Additional Information (Detail)

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Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Jul. 29, 2021
Class Of Stock [Line Items]          
Partnership distributions, amount   $ 4,114,000 $ 2,685,000    
Distributions of partner incentive allocations of net income   32,262,000 34,429,000    
Treasury stock, aggregate price   $ 10,939,000   $ 9,295,000  
Class B Common Stock | Resale And Registration Rights Agreement          
Class Of Stock [Line Items]          
Share conversion, Shares 1,555        
Class A Common Stock          
Class Of Stock [Line Items]          
Treasury stock, purchased 95,729 604,511   508,782  
Treasury stock, aggregate price   $ 1,644,000      
Class A Common Stock | Maximum          
Class Of Stock [Line Items]          
Stock repurchase program, authorized amount         $ 15,000,000
Class A Common Stock | Restricted Stock          
Class Of Stock [Line Items]          
Issuance of common stock 8,242        
Silvercrest L.P          
Class Of Stock [Line Items]          
Accrued partner incentive allocations   $ 6,531,000 $ 8,627,000