Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

v3.10.0.1
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Related Party Transaction [Line Items]          
Total revenue $ 24,577 $ 22,091 $ 48,908 $ 44,042  
Due from Silvercrest Funds 2,449   2,449   $ 1,094
Affiliated Entity          
Related Party Transaction [Line Items]          
Due from Silvercrest Funds 2,449   2,449   1,094
Receivable from partners 6   6   $ 6
Affiliated Entity | Management Fees          
Related Party Transaction [Line Items]          
Total revenue 1,656 1,507 3,245 2,949  
Affiliated Entity | Advisory Fees          
Related Party Transaction [Line Items]          
Total revenue $ 286 $ 261 $ 584 $ 462  
Affiliated Entity | Minimum          
Related Party Transaction [Line Items]          
Management and advisory fees percentage     0.00%    
Percentage of performance fees     0.00%    
Affiliated Entity | Maximum          
Related Party Transaction [Line Items]          
Management and advisory fees percentage     1.75%    
Percentage of performance fees     10.00%