Silvercrest Asset Management Group LLC Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Class B Common Stock (Detail)	1 Months Ended		6 Months Ended
Stockholders' Equity - Class B Common Stock (Detail)	May 31, 2014	Feb. 28, 2014	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2012
Class Of Stock [Line Items]
Balance, Shares
Balance, Shares
Class B Common Stock
Class Of Stock [Line Items]
Stock repurchased/surrendered and cancelled , transaction date			Feb. 01, 2014
Stock issued upon vesting of deferred equity units, transaction date			Feb. 01, 2014
Balance, Shares			4,464,617	6,459,000
Common stock repurchased/surrendered and cancelled	(5,893)	(16,530)	16,530
Common stock issued upon vesting of deferred equity units		261,958	261,958
Balance, Shares			4,704,152	6,459,000
Class B Common Stock \| May 2014
Class Of Stock [Line Items]
Stock repurchased/surrendered and cancelled , transaction date			May 01, 2014
Common stock repurchased/surrendered and cancelled			5,893