Quarterly report [Sections 13 or 15(d)]

Income Taxes - Additional Information (Detail)

v3.26.3
Income Taxes - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Income Taxes Disclosure [Line Items]          
Net deferred tax assets $ 54,000   $ 54,000   $ 1,110,000
Net deferred tax asset 480,000   480,000   1,494,000
Net deferred tax liabilities relating to non-controlling interests 147,000   147,000    
Current tax (benefit) expense 161,000 $ (217,000) 578,000 $ 1,127,000  
Current tax (benefit) expense, non-controlling interests 78,000 23,000 217,000 187,000  
Corporate tax (benefit) expense (66,000)   (40,000)    
Deferred tax expense 486,000 608,000 1,134,000 1,498,000  
Provision for income taxes 647,000 391,000 1,712,000 2,625,000  
Income tax expense (benefit) for discrete items (182,000) (363,000) $ (416,000) (363,000)  
Income tax settlement     The amount recognized is measured as the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement.    
Unrecognized tax benefits reserved (63,000)   $ (48,000)    
Unrecognized tax benefits total reserve 270,000 0 270,000 0 318,000
Foreign Subsidiary in Singapore          
Income Taxes Disclosure [Line Items]          
Valuation allowance for net operating losses of foreign subsidiary 824,000   824,000   598,000
Foreign Subsidiary in Ireland          
Income Taxes Disclosure [Line Items]          
Valuation allowance for net operating losses of foreign subsidiary 261,000   261,000   0
Non-controlling Interest          
Income Taxes Disclosure [Line Items]          
Deferred tax expense 6,000 10,000 15,000 19,000  
Income tax expense benefit related to noncontrolling interests 84,000 $ 33,000 232,000 $ 206,000  
Silvercrest L.P          
Income Taxes Disclosure [Line Items]          
Net deferred tax liability 426,000   426,000   $ 384,000
Corporate tax (benefit) expense 227,000   618,000    
Silvercrest Financial Services Inc          
Income Taxes Disclosure [Line Items]          
Corporate tax (benefit) expense $ 0   $ 0