Condensed Consolidated Statement of Operations And Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues [Abstract]
Total income	$ 49,453,000	$ 51,285,000	$ 100,265,000	$ 109,332,000
Operating Expenses
Compensation and employee benefits	38,893,000	33,952,000	78,450,000	97,124,000
Systems, technology and telephone	4,809,000	4,110,000	9,123,000	7,939,000
Sales, distribution and marketing	1,202,000	568,000	1,967,000	1,094,000
Occupancy costs	4,025,000	3,352,000	7,502,000	6,532,000
Professional fees	7,602,000	14,863,000	18,972,000	37,747,000
Travel and entertainment	1,326,000	1,306,000	2,737,000	3,252,000
Depreciation and amortization	3,813,000	3,655,000	6,380,000	8,172,000
General, administrative and other	2,738,000	2,538,000	4,757,000	3,971,000
Total operating expenses	64,408,000	64,344,000	129,888,000	165,831,000
Total operating income (loss)	(14,955,000)	(13,059,000)	(29,623,000)	(56,499,000)
Impairment loss on intangible assets	(695,000)	(29,393,000)	(695,000)	(29,393,000)
Other Income (Expenses)
Gain (loss) on investments	11,357,000	(5,154,000)	7,696,000	(1,704,000)
Gain (loss) on TRA	389,000	(1,792,000)	6,322,000	(2,092,000)
Gain (loss) on warrant liability	409,000	76,000	69,000	(12,866,000)
Gain (loss) on earnout liability	(1,945,000)	66,083,000	37,509,000	36,877,000
Interest expense	(4,851,000)	(3,371,000)	(9,691,000)	(6,632,000)
Interest income	563,000	0	823,000	0
Other income (expense)	13,000	(706,000)	(17,000)	(647,000)
Income (loss) before taxes	(9,715,000)	12,684,000	12,393,000	(72,956,000)
Income tax (expense) benefit	756,000	15,446,000	393,000	10,796,000
Net income (loss)	(8,959,000)	28,130,000	12,786,000	(62,160,000)
Net loss (income) attributed to non-controlling interests in subsidiaries	(2,965,000)	(14,610,000)	(10,569,000)	(36,160,000)
Net income (loss) attributable to AlTi Global, Inc.	$ (5,994,000)	$ 42,740,000	$ 23,355,000	$ (26,000,000)
Net Income (Loss) Per Share
Basic (in dollars per share)	$ (0.18)	$ 0.72	$ 0.16	$ (0.45)
Diluted (in dollars per share)	$ (0.18)	$ 0.25	$ 0.00	$ (0.44)
Weighted Average Shares of Class A Common Stock Outstanding
Basic (in shares)	71,738,190	59,286,346	69,228,309	58,425,916
Diluted (in shares)	71,738,190	114,319,307	119,355,038	58,454,342
Other Comprehensive Income (Loss)
Foreign currency translation adjustments	$ 1,060,000	$ 8,237,000	$ (2,929,000)	$ 17,908,000
Other comprehensive income (loss)	299,000	(682,000)	211,000	(682,000)
Total comprehensive income (loss)	(7,600,000)	35,685,000	10,068,000	(44,934,000)
Other loss attributed to non-controlling interests in subsidiaries	(2,562,000)	(11,295,000)	(12,202,000)	(28,115,000)
Comprehensive income (loss) attributable to AlTi Global, Inc.	(5,038,000)	46,980,000	22,270,000	(16,819,000)
Management/advisory fees
Revenues [Abstract]
Total income	47,029,000	46,844,000	93,253,000	93,314,000
Incentive fees
Revenues [Abstract]
Total income	53,000	469,000	216,000	1,046,000
Distributions from investments
Revenues [Abstract]
Total income	2,240,000	2,203,000	6,410,000	12,233,000
Other fees/income
Revenues [Abstract]
Total income	$ 131,000	$ 1,769,000	$ 386,000	$ 2,739,000