Investments and Fair Value Measurements - Additional Information (Detail) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
Feb. 28, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | ||||||
| Investments | $ 2,155,000 | $ 2,155,000 | $ 1,030,000 | |||
| Seed investment | $ 1,899,000 | |||||
| Seed investment value | 1,997,000 | 1,997,000 | ||||
| Unrealized gain on investments | 11,000 | $ 0 | 98,000 | $ 0 | ||
| Fair Value, Measurements, Recurring | ||||||
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | ||||||
| Financial assets | 0 | 0 | 0 | |||
| Financial liabilities | $ 0 | $ 0 | $ 0 | |||
| Maximum | Silvercrest Funds | ||||||
| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | ||||||
| Maximum financial interest in affiliated investment funds | 2.00% | 2.00% | ||||
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- Definition Seed investment in fund. No definition available.
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- Definition Seed investment value. No definition available.
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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/exampleRef
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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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