| Defined Contribution and Deferred Compensation Plans - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
| Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | |
| Defined Contribution Plan Disclosure [Line Items] | ||||
| Defined contribution plan name | 401(k) savings plan | |||
| Defined Contribution Plan, Tax Status [Extensible Enumeration] | us-gaap:QualifiedPlanMember | |||
| Silvercrest matching contributions towards benefit of employees | $ 24 | $ 26 | $ 48 | $ 53 | 
| Maximum | ||||
| Defined Contribution Plan Disclosure [Line Items] | ||||
| Silvercrest matching contribution percentage | 4.00% | |||
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- Definition Defined contribution plan name. No definition available. 
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available. 
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- Definition Percentage employer matches of the employee's percentage contribution matched. No definition available. 
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- Definition Indicates tax status of defined contribution plan designed to provide retirement benefits. No definition available. 
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- Details 
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