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v3.25.1

Commitments and Contingencies (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended | 18 Months Ended |  |  |  |  |
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Mar. 19, 2025 USD ($) | Dec. 19, 2024 USD ($) | Aug. 19, 2024 $ / shares shares | Jul. 01, 2024 USD ($) | May 14, 2024 $ / shares shares | May 09, 2024 USD ($) | Apr. 03, 2024 USD ($) | Mar. 11, 2024 $ / shares shares | Aug. 31, 2023 $ / shares shares | Aug. 02, 2023 USD ($) | Jan. 03, 2023 USD ($) | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) | Feb. 19, 2025 USD ($) | May 08, 2024 | Apr. 12, 2024 | Aug. 01, 2023 | Dec. 31, 2022
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
TRA liability |  |  |  |  |  |  |  |  |  |  |  | $ 28,765 | $ 17,607 |  |  |  |  |
TRA liability, fair value |  |  |  |  |  |  |  |  |  |  |  | $ 9,378 | 13,233 |  |  |  |  |
Conversion ratio |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | $ 64,639 | $ 63,444 |  |  |  |  |
Outstanding letters of credit |  |  |  |  |  |  |  |  |  |  |  | $ 3,400 |  |  |  |  |  |
Percentage of losses sought |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Percentage decline in real estate investment portfolio |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Certain Former Tolleson Employees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employment agreement, term of client and employee non-solicit and lost client fee clause (in years) |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Employment agreement, term of lost fee clause post departure date (in years) |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |
Employment agreement, required payment of one year of lost revenue per departing client (in percent) |  |  |  |  |  |  |  |  |  |  |  | 75.00% |  |  |  |  |  |
Employment agreement, lost client fee clause, required payment, payment period (in years) |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |
Settled Litigation | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,100 |  |  |  |
Litigation settlement as percentage of lost revenue for other party |  |  |  |  |  |  |  |  |  |  |  |  |  | 125.00% |  |  |  |
Litigation settlement, attorney fees |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |
Litigation settlement | $ 5,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateral amount as percentage of the amount of each instrument issued |  | 102.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold of aggregate outstanding face amount of all issued instrumnets |  | $ 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiration date, from termination date (in years) |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee (in percent) |  | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
TRA liability, fair value |  |  |  |  |  |  |  |  |  |  |  | $ 9,378 | $ 13,233 |  |  |  |  |
Alvarium, TWMH And TIG |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 23,800 | 62,400 |  |  |  |  |
Total purchase consideration transferred |  |  |  |  |  |  |  |  |  |  | $ 1,071,116 |  |  |  |  |  |  |
Payment of assumed liabilities |  |  |  |  |  |  |  |  |  |  | $ 760 |  |  |  |  |  |  |
Alvarium, TWMH And TIG | Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 23,848 | 62,380 |  |  |  |  |
AlTi Wealth Management (Switzerland) SA (“AWMS”) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 0 | 1,100 |  |  |  |  |
Voting interest acquired (in percent) |  |  |  |  |  |  |  |  |  | 70.00% |  |  |  |  |  |  |  |
Equity interest (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30.00% | 30.00%
Equity interest, including subsequent acquisition (in percent) |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Total purchase consideration transferred |  |  |  |  |  |  |  |  |  | $ 16,754 |  |  |  |  |  |  |  |
Payment of assumed liabilities |  |  |  |  |  |  |  |  |  | $ 168 |  |  |  |  |  |  |  |
AlTi Wealth Management (Switzerland) SA (“AWMS”) | Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 0 | $ 1,064 |  |  |  |  |
East End Advisors, LLC ("EEA") |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  | $ 23,300 |  |  |  |  | 29,900 |  |  |  |  |  |
Total purchase consideration transferred |  |  |  |  |  |  | 93,114 |  |  |  |  |  |  |  |  |  |  |
Payment of assumed liabilities |  |  |  |  |  |  | $ 793 |  |  |  |  |  |  |  |  |  |  |
East End Advisors, LLC ("EEA") | Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 29,871 |  |  |  |  |  |
Pointwise Partners Limited ("PW") |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voting interest acquired (in percent) |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |
Equity interest, including subsequent acquisition (in percent) |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Total purchase consideration transferred |  |  |  |  |  | $ 7,954 |  |  |  |  |  |  |  |  |  |  |  |
Payment of assumed liabilities |  |  |  |  |  | $ 3,300 |  |  |  |  |  |  |  |  |  |  |  |
Envoi, LLC (“Envoi”) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  | $ 9,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase consideration transferred |  |  |  | $ 34,258 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Envoi, LLC (“Envoi”) | Envoi earn-out consideration liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 9,600 |  |  |  |  |  |
Envoi, LLC (“Envoi”) | Envoi earn-out consideration liability | Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 9,600 |  |  |  |  |  |
Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | 1,300 |  |  |  |  |  |
Envoi, LLC (“Envoi”) | Envoi earn-out growth consideration liability | Level 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities, at fair value |  |  |  |  |  |  |  |  |  |  |  | $ 1,320 |  |  |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  | 1 |  | 1 |  |  | 1 | 1 |  | 1 |  |  |  |  |  |  |
Converted shares (in shares) | shares |  |  | 1,840,077 |  | 286,242 |  |  | 4,954,518 | 1,813,248 |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  |  | $ 4.06 |  | $ 4.69 |  |  | $ 6.61 | $ 7.31 |  |  |  |  |  |  |  |  |
Class A Common Stock | Sponsor and selling shareholders of TWMH, TIG, and Alvarium | Alvarium, TWMH And TIG | Earnout shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of earn-out securities (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 3,300,000 |  |  |  |  |  |
Class A Common Stock | Sponsor and selling shareholders of TWMH, TIG, and Alvarium | Alvarium, TWMH And TIG | Earnout shares, tranche one |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Volume weighted average price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 12.50 |  |  |  |  |  |
Volume weighted average price, number of trading days |  |  |  |  |  |  |  |  |  |  |  | 20 days |  |  |  |  |  |
Volume weighted average price, number of consecutive trading days |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |
Volume weighted average price, term within closing of transaction (in years) |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |
Earnout securities to be issued, issued (in percent) |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |
Class A Common Stock | Sponsor and selling shareholders of TWMH, TIG, and Alvarium | Alvarium, TWMH And TIG | Earnout shares, tranche two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Volume weighted average price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 15.00 |  |  |  |  |  |
Volume weighted average price, number of trading days |  |  |  |  |  |  |  |  |  |  |  | 20 days |  |  |  |  |  |
Volume weighted average price, number of consecutive trading days |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |
Volume weighted average price, term within closing of transaction (in years) |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |
Earnout securities to be issued, issued (in percent) |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |
Class B Common Stock | Sponsor and selling shareholders of TWMH, TIG, and Alvarium | Alvarium, TWMH And TIG | Earnout shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of earn-out securities (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 7,100,000 |  |  |  |  |  |
Class B units | Sponsor and selling shareholders of TWMH, TIG, and Alvarium | Alvarium, TWMH And TIG | Earnout shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of earn-out securities (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 7,100,000 |  |  |  |  |  |

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