v3.26.1
Fair Value Disclosures - Schedule of Valuation Methodologies (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Apr. 30, 2025
USD ($)
Jul. 01, 2024
USD ($)
Apr. 01, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Investments at fair value $ 149,741 $ 144,196      
TRA liability 8,584 8,785      
Earn-out liabilities, at fair value 47,675 57,411      
Preferred stock tranche liability 1,410 2,410      
Alvarium, TWMH And TIG          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 5,100 15,300      
East End Advisors, LLC ("EEA")          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 26,300 25,300     $ 23,300
Envoi, LLC (“Envoi”)          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value       $ 9,000  
Envoi, LLC (“Envoi”) | Earn-out consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 7,800 8,200      
Envoi, LLC (“Envoi”) | Earn-out growth consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 1,500 1,600      
Kontora Family Office GmbH ("Kontora")          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value     $ 5,743    
Investments – External Strategic Managers          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Investments at fair value 148,568 142,976      
Level 3          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
TRA liability 8,584 8,785      
Earn-out liabilities, at fair value 47,675 57,411      
Preferred stock tranche liability 1,410 2,410      
Level 3 | Alvarium, TWMH And TIG          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 5,075 15,268      
Level 3 | East End Advisors, LLC ("EEA")          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 26,326 25,259      
Level 3 | Envoi, LLC (“Envoi”) | Earn-out consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 7,800 8,220      
Level 3 | Envoi, LLC (“Envoi”) | Earn-out growth consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value 1,450 1,620      
Level 3 | Kontora Family Office GmbH ("Kontora")          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liabilities, at fair value $ 7,024 $ 7,044      
Level 3 | Discount rate | Discounted Cash Flow | Kontora Family Office GmbH ("Kontora")          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.110 0.117      
Level 3 | Long-term growth rate | Discounted Cash Flow | Envoi, LLC (“Envoi”) | Earn-out consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.115        
Level 3 | Volatility | Monte Carlo          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
TRA liability, measurement input (in percent) 0.600 0.550      
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) 0.600 0.650      
Level 3 | Volatility | Binomial lattice model          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Preferred stock tranche liability, measurement input (in percent) 0.525 0.475      
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) 0.038 0.035      
Level 3 | Risk-free rate | Discounted Cash Flow | Envoi, LLC (“Envoi”) | Earn-out consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.037 0.034      
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) 0.038 0.035      
Level 3 | Risk-free rate | Monte Carlo | Envoi, LLC (“Envoi”) | Earn-out growth consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.037 0.034      
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) 0.049 0.048      
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) 0.104 0.093      
Level 3 | Credit spread | Discounted Cash Flow | Envoi, LLC (“Envoi”) | Earn-out consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.101 0.091      
Level 3 | Credit spread | Binomial lattice model          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Preferred stock tranche liability, measurement input (in percent) 0.104 0.093      
Level 3 | Correlation | Monte Carlo          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
TRA liability, measurement input (in percent) 0.225 0.225      
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) 0.143 0.146      
Level 3 | Revenue risk-adjusted discount rate | Discounted Cash Flow | Envoi, LLC (“Envoi”) | Earn-out consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent)   0.110      
Level 3 | Metric volatility | Monte Carlo | Envoi, LLC (“Envoi”) | Earn-out growth consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.390 0.290      
Level 3 | Revenue Discount Rate | Monte Carlo | Envoi, LLC (“Envoi”) | Earn-out growth consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.115 0.110      
Level 3 | Credit Risk Adjusted Discount Rate | Monte Carlo | Envoi, LLC (“Envoi”) | Earn-out growth consideration liability          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Earn-out liability, measurement input (in percent) 0.138 0.125      
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 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) 0.116 0.106      
Level 3 | Minimum | Equity risk premium | Monte Carlo          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
TRA liability, measurement input (in percent) 0.055 0.058      
Level 3 | Maximum | Cost of debt range | Monte Carlo          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
TRA liability, measurement input (in percent) 0.128 0.119      
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 0.132      
Level 3 | Investments – External Strategic Managers          
Fair Value Measurement Inputs and Valuation Techniques [Line Items]          
Investments at fair value $ 148,568 $ 142,976      
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) 0.170 0.170      
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) 0.300 0.30