v3.26.1
Fair Value Disclosures - Schedule of Changes In Fair Value of Level 3 Measurements (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Preferred stock tranche liability    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 2,410 $ 3,940
Issuances 0 0
Settlements 0 0
Net (gains) losses (1,000) (1,530)
Other comprehensive income (loss) 0 0
Ending balance 1,410 2,410
Earn-out liability | Alvarium, TWMH And TIG    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 15,268 23,848
Issuances 0 0
Settlements 0 0
Net (gains) losses (10,193) (8,580)
Other comprehensive income (loss) 0 0
Ending balance 5,075 15,268
Earn-out liability | East End Advisors, LLC ("EEA")    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 25,259 29,871
Issuances 0 0
Settlements 0 (7,387)
Net (gains) losses 1,067 2,775
Other comprehensive income (loss) 0 0
Ending balance 26,326 25,259
Earn-out liability | Kontora Family Office GmbH ("Kontora")    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 7,044 0
Issuances 0 5,743
Settlements 0 0
Net (gains) losses 135 1,059
Other comprehensive income (loss) (155) 242
Ending balance 7,024 7,044
Earn-out consideration liability | Envoi, LLC (“Envoi”)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 8,220 9,600
Issuances 0 0
Settlements 0 (2,953)
Net (gains) losses (420) 1,573
Other comprehensive income (loss) 0 0
Ending balance 7,800 8,220
Earn-out growth consideration liability | Envoi, LLC (“Envoi”)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 1,620 1,320
Issuances 0 0
Settlements 0 0
Net (gains) losses (170) 300
Other comprehensive income (loss) 0 0
Ending balance 1,450 1,620
TRA liability    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 8,785 9,378
Issuances 0 0
Settlements 0 0
Net (gains) losses (201) (593)
Other comprehensive income (loss) 0 0
Ending balance 8,584 8,785
Investments – External Strategic Managers    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 142,976 147,568
Issuances 0 0
Settlements 0 0
Net (gains) losses 5,592 (4,592)
Other comprehensive income (loss) 0 0
Ending balance $ 148,568 $ 142,976