Quarterly report pursuant to sections 13 or 15(d)

Defined Contribution and Deferred Compensation Plans - Additional Information (Detail)

v2.4.0.8
Defined Contribution and Deferred Compensation Plans - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Defined Contribution Plan Disclosure [Line Items]    
Silvercrest matching contributions towards benefit of employees $ 16 $ 16
Maximum
   
Defined Contribution Plan Disclosure [Line Items]    
Silvercrest matching contribution percentage 4.00%