Silvercrest Asset Management Group LLC Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 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

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

v3.26.3

Defined Contribution and Deferred Compensation Plans - Additional Information (Detail) € in Thousands, $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2026 USD ($)	Sep. 30, 2026 EUR (€)	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($)	Sep. 30, 2026 EUR (€)	Sep. 30, 2025 USD ($)
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan name				401(k) savings plan	401(k) savings plan
Defined Contribution Plan, Tax Status [Extensible Enumeration]				us-gaap:QualifiedPlanMember	us-gaap:QualifiedPlanMember
Silvercrest matching contributions towards benefit of employees	$ 20		$ 29	$ 91		$ 88
Pension Plan and 401(k) Savings Plan
Defined Contribution Plan Disclosure [Line Items]
Silvercrest matching contributions towards benefit of employees	41		$ 29	130		$ 88
Ireland \| Pension Plan
Defined Contribution Plan Disclosure [Line Items]
Silvercrest matching contributions towards benefit of employees	$ 21	€ 18		$ 39	€ 34
Maximum
Defined Contribution Plan Disclosure [Line Items]
Silvercrest matching contribution percentage				4.00%	4.00%

- Definition

Defined contribution plan name.

+ References

No definition available.

+ Details

Name:	samg_DefinedContributionPlanName
Namespace Prefix:	samg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

+ Details

Name:	us-gaap_DefinedContributionPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates tax status of defined contribution plan designed to provide retirement benefits.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanTaxStatusExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RetirementPlanTypeAxis=samg_PensionPlanAnd401KSavingsPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanSponsorLocationAxis=country_IE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: