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Business Combinations and Divestitures - Purchase Consideration Transferred (Details) - USD ($) $ in Thousands	Jul. 01, 2024	May 09, 2024	Apr. 03, 2024	Aug. 02, 2023	Jan. 03, 2023	Dec. 31, 2024	Dec. 31, 2023
Alvarium, TWMH And TIG
Business Combination, Consideration Transferred [Abstract]
Cash consideration					$ 99,999
Earn-out consideration					85,097
Tax Receivable Agreement					13,000
Payment of assumed liabilities					760
Total purchase consideration transferred					1,071,116
Alvarium, TWMH And TIG | Class A Common Stock
Business Combination, Consideration Transferred [Abstract]
Equity consideration					294,159
Alvarium, TWMH And TIG | Class B Common Stock
Business Combination, Consideration Transferred [Abstract]
Equity consideration					573,205
Alvarium, TWMH And TIG | Warrants
Business Combination, Consideration Transferred [Abstract]
Equity consideration					$ 4,896
AlTi Wealth Management (Switzerland) SA (“AWMS”)
Business Combination, Consideration Transferred [Abstract]
Cash consideration				$ 5,711
Equity consideration				1,459
Deferred cash consideration				6,695
Earn-out consideration				2,721
Payment of assumed liabilities				168
Deferred consideration						$ 0	$ 7,135
Total purchase consideration transferred				$ 16,754
East End Advisors, LLC ("EEA")
Business Combination, Consideration Transferred [Abstract]
Cash consideration			$ 69,013
Contingent consideration installments			23,308
Payment of assumed liabilities			793
Total purchase consideration transferred			$ 93,114
Pointwise Partners Limited ("PW")
Business Combination, Consideration Transferred [Abstract]
Cash consideration		$ 1,735
Equity consideration		1,705
Payment of assumed liabilities		3,300
Deferred consideration		3,328				$ 3,339	$ 0
Settlement of pre-existing relationships		1,186
Total purchase consideration transferred		$ 7,954
Envoi, LLC (“Envoi”)
Business Combination, Consideration Transferred [Abstract]
Cash consideration	$ 25,258
Earn-out consideration	9,000
Total purchase consideration transferred	$ 34,258

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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