Silvercrest Asset Management Group LLC Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

Commitments and Contingencies - Additional Information (Detail) - USD ($)				1 Months Ended			12 Months Ended
	Oct. 31, 2015	Jun. 30, 2015	Mar. 30, 2015	Sep. 30, 2016	Jan. 31, 2016	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Commitments And Contingencies [Line Items]
Operating lease rent expense							$ 3,760,000	$ 3,766,000	$ 3,667,000
Sub-lease income							289,000	433,000	379,000
Assets acquired under capital leases								50,000	321,000
Depreciation and amortization							737,000	719,000	546,000
Contingent consideration payments									1,805,000
Payments recorded as compensation expense							10,000	3,000
Capital Lease Assets
Commitments And Contingencies [Line Items]
Depreciation and amortization							$ 124,000	123,000	81,000
Jamison
Commitments And Contingencies [Line Items]
Contingent consideration payments			$ 3,550,000
MCG Acquisition \| Contingent Consideration
Commitments And Contingencies [Line Items]
Contingent consideration percentage of EBITDA							22.00%
Number of years contingent consideration adjusted annual EBITDA							5 years
Contingent consideration payments						$ 1,805,000	$ 0	0
Additional Office Space
Commitments And Contingencies [Line Items]
Operating lease rent expense, net				$ 10,000			5,000
Refundable security deposit							$ 3,000
Lease commencement date				Oct. 01, 2017			May 01, 2014
Lease expires				Nov. 30, 2024			Jul. 31, 2019
Number of rent free periods							3 months
Rent credit				$ 40,000,000
Office Space \| Charlottesville, VA.
Commitments And Contingencies [Line Items]
Operating lease rent expense, net							$ 2,000
Refundable security deposit							$ 2,000
Lease commencement date							Jun. 30, 2015
Lease expires							Jun. 30, 2018
Number of rent free periods							2 months
Office Space \| Bedminster, NJ.
Commitments And Contingencies [Line Items]
Operating lease rent expense, net							$ 11,000
Lease expires							Mar. 31, 2022
Number of rent free periods							4 months
Office Space \| Princeton, NJ.
Commitments And Contingencies [Line Items]
Operating lease rent expense, net					$ 6,000		$ 5,000
Lease expires					Aug. 31, 2022		Apr. 30, 2016
Number of rent free periods					5 months
Office Space \| New York City
Commitments And Contingencies [Line Items]
Operating lease rent expense, net							$ 446,000
Lease commencement date							Oct. 01, 2017
Lease expires							Sep. 30, 2028
Number of rent free periods							12 months
Payments for tenant improvements							$ 2,080,000
Office Space \| Livingston, NJ
Commitments And Contingencies [Line Items]
Operating lease rent expense, net					$ 2,000
Office Equipment
Commitments And Contingencies [Line Items]
Capital lease obligation							$ 267,000	440,000
Office Equipment \| Telephone System
Commitments And Contingencies [Line Items]
Lease expires							Nov. 30, 2018
Assets acquired under capital leases							$ 321,000
Capital lease, period							5 years
Capital lease, minimum monthly payment							$ 5,000
Office Equipment \| Copier
Commitments And Contingencies [Line Items]
Lease expires	Oct. 31, 2018						Jun. 30, 2018
Assets acquired under capital leases	$ 18,000						$ 21,000
Capital lease, period	3 years						3 years
Capital lease, minimum monthly payment	$ 1,000						$ 1,000
Office Equipment \| Jamison
Commitments And Contingencies [Line Items]
Assets acquired under capital leases		$ 253,000
Letter of Credit
Commitments And Contingencies [Line Items]
Refundable security deposit							506,000	587,000
Letter of Credit \| Boston landlord
Commitments And Contingencies [Line Items]
Refundable security deposit							80,000
General and administrative
Commitments And Contingencies [Line Items]
Operating lease rent expense, net							$ 3,471,000	$ 3,333,000	$ 3,288,000