Summary of Significant Accounting Policies (Details) $ / shares in Units, shares in Millions		3 Months Ended			12 Months Ended
	Jan. 03, 2023 USD ($)	Mar. 31, 2023 USD ($) entity $ / shares	Mar. 31, 2023 USD ($) segment category entity fund $ / shares shares	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Significant Accounting Policies [Line Items]
Number of entities in which company is entitled to distributions | entity		3	3
Number of operating segments | segment			2
Goodwill, Impairment Loss		$ 0	$ 0	$ 0
Number of operating segments, number of revenue generating categories | category			3
Tiedemann International Holdings, AG ("TIH") | Tiedemann Wealth Management Holdings, LLC
Significant Accounting Policies [Line Items]
Voting interest acquired (in percent)					51.10%
Total purchase consideration transferred					$ 1,818,440
Alvarium, TWMH And TIG
Significant Accounting Policies [Line Items]
Total purchase consideration transferred	$ 1,071,116,000
Sponsor and Selling Shareholders of TWMH, TIG, and Alvarium | Class A shares | Alvarium, TWMH And TIG | Earnout Shares
Significant Accounting Policies [Line Items]
Number of earn-out securities (in shares) | shares			3.3
Sponsor and Selling Shareholders of TWMH, TIG, and Alvarium | Class A shares | Alvarium, TWMH And TIG | Earnout Shares, Tranche One
Significant Accounting Policies [Line Items]
Volume weighted average price (in dollars per share) | $ / shares		$ 12.50	$ 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%	50.00%
Sponsor and Selling Shareholders of TWMH, TIG, and Alvarium | Class A shares | Alvarium, TWMH And TIG | Earnout Shares, Tranche Two
Significant Accounting Policies [Line Items]
Volume weighted average price (in dollars per share) | $ / shares		$ 15.00	$ 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%	50.00%
Sponsor and Selling Shareholders of TWMH, TIG, and Alvarium | Class B shares | Alvarium, TWMH And TIG | Earnout Shares
Significant Accounting Policies [Line Items]
Number of earn-out securities (in shares) | shares			7.1
Sponsor and Selling Shareholders of TWMH, TIG, and Alvarium | Class B Units | Alvarium, TWMH And TIG | Earnout Shares
Significant Accounting Policies [Line Items]
Number of earn-out securities (in shares) | shares			7.1
Asset management | Co-Investment
Significant Accounting Policies [Line Items]
Deployed capital			$ 7,600,000,000
Deployed capital, percentage invested			14.00%
Asset management | Alternatives Platform
Significant Accounting Policies [Line Items]
Assets under management and advisement		$ 8,300,000,000	$ 8,300,000,000
Asset management | Real Estate - Public and Private
Significant Accounting Policies [Line Items]
Assets under management and advisement		12,800,000,000	$ 12,800,000,000
Number of funds managed | fund			2
Wealth management
Significant Accounting Policies [Line Items]
Assets under management and advisement		$ 45,600,000,000	$ 45,600,000,000
Minimum
Significant Accounting Policies [Line Items]
Percentage of equity value contributed in transaction		0.50%	0.50%
Percentage of purchase price in acquisition		0.50%	0.50%
Equity structures, term (in years)			5 years
Equity structures, percentage of equity value committed or drawn		0.50%	0.50%
Debt structures, term (in months)			12 months
Minimum | Property, Plant and Equipment, Other Types
Significant Accounting Policies [Line Items]
Useful life			2 years
Maximum
Significant Accounting Policies [Line Items]
Percentage of equity value contributed in transaction		1.00%	1.00%
Percentage of purchase price in acquisition		1.00%	1.00%
Equity structures, term (in years)			10 years
Equity structures, percentage of equity value committed or drawn		1.75%	1.75%
Debt structures, term (in months)			36 months
Maximum | Property, Plant and Equipment, Other Types
Significant Accounting Policies [Line Items]
Useful life			7 years
Management/Advisory fees
Significant Accounting Policies [Line Items]
Contract with customer, allowance for credit loss		$ 0	$ 0		$ 0