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Fair Value Disclosures - Valuation Methodologies (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Jul. 01, 2024 USD ($) | Apr. 03, 2024 USD ($) | Dec. 31, 2023 USD ($)
--- | --- | --- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments at fair value | $ 148,674 |  |  | $ 165,894
Contingent consideration receivable | 1,389 |  |  | 0
TRA liability, fair value | 9,378 |  |  | 13,233
Earn-out liability, fair value | 64,639 |  |  | 63,444
Preferred stock tranche liability | 3,940 |  |  | 0
Alvarium, TWMH And TIG |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 23,800 |  |  | 62,400
East End Advisors, LLC ("EEA") |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 29,900 |  | $ 23,300 |
Envoi, LLC (“Envoi”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value |  | $ 9,000 |  |
Envoi, LLC (“Envoi”) | Envoi earn-out consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 9,600 |  |  |
Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 1,300 |  |  |
AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 0 |  |  | 1,100
Level 3 |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Contingent consideration receivable | 1,389 |  |  |
TRA liability, fair value | 9,378 |  |  | 13,233
Preferred stock tranche liability | 3,940 |  |  |
Level 3 | Alvarium, TWMH And TIG |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 23,848 |  |  | 62,380
Level 3 | East End Advisors, LLC ("EEA") |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 29,871 |  |  |
Level 3 | Envoi, LLC (“Envoi”) | Envoi earn-out consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 9,600 |  |  |
Level 3 | Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | 1,320 |  |  |
Level 3 | AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, fair value | $ 0 |  |  | $ 1,064
Level 3 | Long-term growth rate | Discounted Cash Flow | Envoi, LLC (“Envoi”) | Envoi earn-out consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.109 |  |  |
Level 3 | Risk-free rate | Discounted Cash Flow | East End Advisors, LLC ("EEA") |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.043 |  |  |
Level 3 | Risk-free rate | Discounted Cash Flow | Envoi, LLC (“Envoi”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.042 |  |  |
Level 3 | Risk-free rate | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Contingent consideration receivable, measurement input (in percent) | 0.042 |  |  |
Level 3 | Risk-free rate | Monte Carlo | Alvarium, TWMH And TIG |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.043 |  |  | 0.039
Level 3 | Risk-free rate | Monte Carlo | Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.043 |  |  |
Level 3 | Risk-free rate | Monte Carlo | AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) |  |  |  | 0.011
Level 3 | Risk-free rate | Binomial lattice model |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Preferred stock tranche liability, measurement input (in percent) | 0.048 |  |  |
Level 3 | Volatility | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Contingent consideration receivable, measurement input (in percent) | 0.265 |  |  |
TRA liability, measurement input (in percent) | 0.550 |  |  | 0.400
Level 3 | Volatility | Monte Carlo | Alvarium, TWMH And TIG |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.700 |  |  | 0.400
Level 3 | Volatility | Binomial lattice model |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Preferred stock tranche liability, measurement input (in percent) | 0.500 |  |  |
Level 3 | Credit spread | Discounted Cash Flow | East End Advisors, LLC ("EEA") |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.079 |  |  |
Level 3 | Credit spread | Discounted Cash Flow | Envoi, LLC (“Envoi”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.077 |  |  |
Level 3 | Credit spread | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Contingent consideration receivable, measurement input (in percent) | 0.008 |  |  |
Level 3 | Credit spread | Binomial lattice model |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Preferred stock tranche liability, measurement input (in percent) | 0.079 |  |  |
Level 3 | Metric volatility | Monte Carlo | Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.330 |  |  |
Level 3 | Correlation | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
TRA liability, measurement input (in percent) | 0.225 |  |  | 0.200
Level 3 | EBITDA Discount Rate | Discounted Cash Flow | East End Advisors, LLC ("EEA") |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.163 |  |  |
Level 3 | Revenue risk-adjusted discount rate | Discounted Cash Flow | Envoi, LLC (“Envoi”) | Envoi earn-out consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.125 |  |  |
Level 3 | Revenue Discount Rate | Monte Carlo | Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.125 |  |  |
Level 3 | Revenue Discount Rate | Monte Carlo | AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) |  |  |  | 0.035
Level 3 | Credit Risk Adjusted Discount Rate | Monte Carlo | Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) | 0.119 |  |  |
Level 3 | Revenue Volatility | Monte Carlo | AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) |  |  |  | 0.140
Level 3 | Liability Discount Rate | Monte Carlo | AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) |  |  |  | 0.056
Level 3 | Deferred Payment Liability Discount Rate | Monte Carlo | AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Earn-out liability, measurement input (in percent) |  |  |  | 0.053
Level 3 | Probability of option exercise | Binomial lattice model |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Preferred stock tranche liability, measurement input (in percent) | 0.500 |  |  |
Level 3 | Minimum | Cost of debt range | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
TRA liability, measurement input (in percent) | 0.102 |  |  | 0.041
Level 3 | Minimum | Equity risk premium | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
TRA liability, measurement input (in percent) | 0.061 |  |  | 0.074
Level 3 | Maximum | Cost of debt range | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
TRA liability, measurement input (in percent) | 0.109 |  |  | 0.051
Level 3 | Maximum | Equity risk premium | Monte Carlo |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
TRA liability, measurement input (in percent) | 0.132 |  |  | 0.131
Level 3 | Investments – external strategic managers |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments at fair value | $ 147,568 |  |  | $ 164,077
Level 3 | Investments – external strategic managers | Long-term growth rate | Discounted Cash Flow |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments, measurement input (in percent) | 0.040 |  |  | 0.040
Level 3 | Investments – external strategic managers | Minimum | Discount rate | Discounted Cash Flow |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments, measurement input (in percent) | 0.180 |  |  | 0.215
Level 3 | Investments – external strategic managers | Maximum | Discount rate | Discounted Cash Flow |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Investments, measurement input (in percent) | 0.33 |  |  | 0.290

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 35 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479613/805-30-35-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479668/805-30-25-6 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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