XML 99 R70.htm IDEA: XBRL DOCUMENT
v3.26.1

Revenue - Schedule of Contract with Customer (Details) - Operating Segments - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Management/advisory fees |  |  |
Contract with Customer, Receivable, after Allowance for Credit Loss [Roll Forward] |  |  |
Contract with customer, receivable | $ 35,047 | $ 28,896 | $ 26,802
Management/advisory fees | Related party |  |  |
Contract with Customer, Receivable, after Allowance for Credit Loss [Roll Forward] |  |  |
Contract with customer, receivable | 600 | 700 |
Incentive fees |  |  |
Contract with Customer, Receivable, after Allowance for Credit Loss [Roll Forward] |  |  |
Contract with customer, receivable | 30,335 | 1,324 | 40,356
Incentive fees | Related party |  |  |
Contract with Customer, Receivable, after Allowance for Credit Loss [Roll Forward] |  |  |
Contract with customer, receivable | 9,000 | 200 |
Other fees/income |  |  |
Contract with Customer, Receivable, after Allowance for Credit Loss [Roll Forward] |  |  |
Contract with customer, receivable | $ 189 | $ 0 | $ 0

X
- Definition Contract with Customer, Receivable, after Allowance for Credit Loss + References No definition available. + Details
Name: | alti_ContractWithCustomerReceivableAfterAllowanceForCreditLossRollForward
Namespace Prefix: | alti_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right to consideration is unconditional. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479196/954-310-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details
Name: | us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=alti_ManagementAdvisoryFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=alti_IncentiveFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=alti_OtherFeesIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |