Organization and Business - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Jul. 12, 2013
USD ($)
$ / shares
shares
Jul. 02, 2013
USD ($)
$ / shares
shares
Jul. 31, 2013
USD ($)
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 30, 2014
USD ($)
Dec. 31, 2013
USD ($)
shares
Dec. 31, 2012
shares
Dec. 31, 2014
shares
Apr. 01, 2012
Oct. 03, 2008
Mar. 11, 2004
Business And Organization [Line Items]                      
Stock issuance costs           $ 1,482          
Tax receivable agreement with limited partner, percentage of cash savings to be paid       85.00%              
Recognition of tax receivable agreement liability       $ 14,654   15,271          
Borrowings under revolving credit facility           7,000          
Purchase of Class B units from partners of Silvercrest L.P.           35,365          
Percentage of cash savings expected to be realized       15.00%              
Fair value adjustment to the deferred tax assets and liabilities related to TRA       $ 1,209 $ 713 $ 0          
TRA payments totaling       689              
Number of performance units conditionally issuable | shares             146,452        
Silvercrest L.P                      
Business And Organization [Line Items]                      
Special distribution paid by parent       10,000              
Borrowings under revolving credit facility       $ 7,000              
Special bonus payment     $ 754                
Silvercrest L.P | Capital Unit, Class B                      
Business And Organization [Line Items]                      
Distribution of partnership units for each limited partnership unit prior to the consummation of the IPO       19.64              
Class B partnership units issued | shares       10,000,000              
Number of partnership units purchased from partners | shares       3,540,684              
Initial public offering shares price | $ / shares       $ 11.00              
Purchase of Class B units from partners of Silvercrest L.P.       $ 35,365              
Underwriting discounts and commissions       2,457              
Estimated offering expenses       $ 1,126              
Class A Common Stock                      
Business And Organization [Line Items]                      
Issuance of Class A shares in IPO, Shares | shares 718,603 4,790,684       5,509,000          
Initial public offering shares price | $ / shares $ 11.00 $ 11.00                  
Net proceeds from IPO $ 7,379 $ 47,920                  
Gross proceeds from IPO $ 7,905                    
Common stock, shares outstanding | shares 5,509,297     7,989,749   7,522,000   7,768,010      
Class A Common Stock | Underwriting Discounts and Commissions                      
Business And Organization [Line Items]                      
Stock issuance costs $ 498 3,324                  
Class A Common Stock | Stock Offering Expenses                      
Business And Organization [Line Items]                      
Stock issuance costs $ 28 $ 1,454                  
Silvercrest Financial Services Inc                      
Business And Organization [Line Items]                      
Percentage of outstanding shares acquired                     100.00%
Sam Alternative Solutions Inc                      
Business And Organization [Line Items]                      
Percentage of outstanding shares acquired               100.00%      
Marathon Capital Group, LLC                      
Business And Organization [Line Items]                      
Percentage of outstanding shares acquired                   100.00%  
MW Commodity Advisors, LLC                      
Business And Organization [Line Items]                      
Percentage of outstanding shares acquired                 100.00%