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

Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Additional Information (Detail)

Acquisitions - Additional Information (Detail) $ in Thousands						1 Months Ended			3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 15, 2015 USD ($)	Aug. 01, 2015 USD ($)	Mar. 30, 2015 USD ($)	Nov. 01, 2014 USD ($)	Mar. 28, 2013 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2013 USD ($)	Apr. 30, 2013 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) Installment	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2013 USD ($) Installment
Business Acquisition [Line Items]
Income before provision for income taxes									$ 3,566	$ 5,561	$ 7,150	$ 9,669
Promissory Note
Business Acquisition [Line Items]
Number of installments \| Installment											4
Installment amount payable		$ 900		$ 900
Cappiccille
Business Acquisition [Line Items]
Cash paid on date of acquisition	$ 148
Contingent consideration	$ 354										$ 354
Earn out payments percentage on revenue remainder of fiscal year	19.00%
Earn out payments percentage on revenue due in two years	19.00%
Earn out payments percentage on revenue due in three years	19.00%
Earn out payments percentage on revenue due in four years	19.00%
Earn out payments percentage on revenue due thereafter	19.00%
Jamison
Business Acquisition [Line Items]
Cash paid on date of acquisition			$ 3,550
Contingent consideration			1,429								1,162		$ 1,162
Equity consideration for SLP acquired			$ 3,562
Earn out payments percentage on EBITDA remainder of fiscal year			20.00%
Earn out payments percentage on EBITDA due in two years			20.00%
Earn out payments percentage on EBITDA due in three years			20.00%
Earn out payments percentage on EBITDA due in four years			20.00%
Earn out payments percentage on EBITDA due in five years			20.00%
Earn Out Payments Percentage On EBITDA Due thereafter			20.00%
Revenue									1,078		2,449
Income before provision for income taxes									121		$ 347
Jamison \| Promissory Note
Business Acquisition [Line Items]
Number of installments \| Installment											3
Installment amount payable						$ 722
Jamison \| Seller Note
Business Acquisition [Line Items]
Promissory note issued			$ 394
Interest on principal amount			5.00%
Jamison \| Principals Notes
Business Acquisition [Line Items]
Promissory note issued			$ 1,771
Interest on principal amount			5.00%
Ten-Sixty
Business Acquisition [Line Items]
Cash paid on date of acquisition					$ 2,500
Promissory note issued					1,479
Acquisition of assets					$ 1,900,000
Ten-Sixty \| Promissory Note
Business Acquisition [Line Items]
Number of installments \| Installment														2
Installment amount payable							$ 218	$ 218
Quarterly installments from June 30, 2014 through March 31, 2017														$ 87
Principal on fixed rate notes, interest rate							5.00%							5.00%
Outstanding note payable						284			284		$ 284
Milbank
Business Acquisition [Line Items]
Equity consideration for SLP acquired						$ 223			$ 223		$ 223		$ 223