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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.0.8

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended	9 Months Ended					3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Unit Segment	Sep. 30, 2013	Dec. 31, 2013 Unit	Sep. 30, 2014 Minimum	Sep. 30, 2014 Maximum	Sep. 30, 2014 Leasehold Improvements	Sep. 30, 2014 Other Fixed Assets Minimum	Sep. 30, 2014 Other Fixed Assets Maximum	Sep. 30, 2014 Equity Method Investments	Sep. 30, 2013 Equity Method Investments	Sep. 30, 2014 Equity Method Investments	Sep. 30, 2013 Equity Method Investments	Sep. 30, 2014 Class A Common Stock	Jun. 26, 2013 Class A Common Stock	Sep. 30, 2014 Class B Common Stock	Sep. 30, 2014 Class B Common Stock Slp
Summary Of Significant Accounting Policies [Line Items]
Ownership percentage in a subsidiary															63.00%	63.00%
Number of operating segment			1
Cash equivalents, maximum maturity period			90 days
Equity method investments, unrealized intercompany profit (loss) not eliminated amount			$ 0
Impairment charges related to equity method investments											0	0	0	0
Property, plant and equipment, useful life								10 years	3 years	7 years
Number of reporting unit			1		1
Impairment charges on goodwill	$ 0	$ 0	$ 0	$ 0
Identifiable finite-lived intangible assets, useful life						3 years	20 years
Common stock, voting rights															1 vote per share		1 vote per share
Class of share exchangeable to another class																	one share of Class A common stock	one share of Class A common stock

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Cash equivalent maximum maturity period.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights.

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This item represents the amount of unrealized intercompany profits and losses on transactions between the Entity and unconsolidated subsidiaries (including certain corporate joint ventures, and noncontrolled corporations), accounted for under the equity method of accounting, which have not been eliminated in preparing the Entity's financial statements.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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