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Accounts Payable and Accrued Expenses Percentage of purchase price in acquisition Revenue from Contract with Customer, Acquisition Fees, Percentage Of Purchase Price In Acquisition Revenue from Contract with Customer, Acquisition Fees, Percentage Of Purchase Price In Acquisition Occupancy costs Occupancy, Net Total liabilities and shareholders' equity Liabilities and Equity Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Free rent term (in months) Operating Leases, Rent Expense, Free Rent Term Operating Leases, Rent Expense, Free Rent Term Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Non-amortized intangible assets Indefinite-Lived Intangible Assets [Line Items] Rest of 2023 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Net loss available to the Company - diluted Net Income (Loss) Available to Common Stockholders, Diluted Arrangement Duration Trading Arrangement Duration Beginning balance Ending balance Members' Equity Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Related Party Related Party [Member] Arkkan Capital Management Limited Arkkan Capital Management Limited [Member] Arkkan Capital Management Limited Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Liabilities Disposal Group, Including Discontinued Operation, Liabilities [Abstract] Fair value of existing equity method investment Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Number of operating segments, number of revenue generating categories Operating Segments, Number Of Revenue Generating Categories Operating Segments, Number Of Revenue Generating Categories Number of funds managed Number of Funds Managed Number of Funds Managed Termination Date Trading Arrangement Termination Date Common stock, authorized (in shares) Common Stock, Shares Authorized Document Information [Table] Document Information [Table] Total gains (losses) on Investments at fair value Equity Securities, FV-NI, Gain (Loss) Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Measurement Input Type [Axis] Measurement Input Type [Axis] Award Timing Disclosures [Line Items] Shareholder Loan Shareholder Loan [Member] Shareholder Loan Title of Individual [Domain] Title of Individual [Domain] Investments at Fair Value Investment [Text Block] Other loss attributed to non-controlling interests in subsidiaries Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Loss on investments Gain (Loss) on Investments Other fees/income Other Fees/Income [Member] Other Fees/Income Additional paid-in capital Additional Paid in Capital Cash payment for acquisition of TWMH and TIG historical equity Cash Payment Of Acquisition Of Historical Equity Cash Payment Of Acquisition Of Historical Equity Volume weighted average price, number of consecutive trading days Business Combination, Contingent Consideration, Equity, Volume Weighted Average Price Per Share, Number Of Consecutive Trading Days Business Combination, Contingent Consideration, Equity, Volume Weighted Average Price Per Share, Number Of Consecutive Trading Days Document Information [Line Items] Document Information [Line Items] Payment of assumed liabilities Business Combination, Consideration Transferred, Liabilities Incurred Earn-out consideration Business Combination, Consideration Transferred, Earnout Consideration Business Combination, Consideration Transferred, Earnout Consideration Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Income Taxes Income Tax, Policy [Policy Text Block] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Three Other Income / Expenses Other Income (Expense), Policy [Policy Text Block] Other Income (Expense), Policy Insider Trading Arrangements [Line Items] Related Party [Axis] Related Party, Type [Axis] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Other assets Increase (Decrease) in Other Operating Assets 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two Adjustment to Compensation, Amount Adjustment to Compensation Amount Gain on earnout liability Gain on earnout liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Schedule of Costs of Retirement Plans Schedule of Costs of Retirement Plans [Table Text Block] Non-controlling interest in subsidiaries Equity, Attributable to Noncontrolling Interest Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Earnout Shares, Tranche One Earnout Shares, Tranche One [Member] Earnout Shares, Tranche One Payments on term notes and lines of credit Borrowings on term notes and lines of credit Repayments of Long-Term Debt Entity Central Index Key Entity Central Index Key Amortization of debt discounts and deferred financing costs Amortization of Debt Issuance Costs and Discounts Liabilities: Liabilities, Fair Value Disclosure [Abstract] Realized and Unrealized Gains (Losses) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Stock-based compensation expense Share-Based Payment Arrangement, Expense Long-Term Debt Long-Term Debt [Member] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Impairment on its equity method investments Equity Method Investment, Other than Temporary Impairment Name Trading Arrangement, Individual Name Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Incentive fees Incentive Fees [Member] Incentive Fees Issuance of shares to Alvarium Employee Benefit Trust Stock Issued During Period, Value, New Issues Accounts payable and accrued expenses, purchase price adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable And Accrued Expenses Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Payable And Accrued Expenses Total income Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Umbrella Umbrella [Member] Umbrella Amendment Flag Amendment Flag Indefinite-Lived Intangible Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets Intangible Assets, net Intangible Assets Disclosure [Text Block] Legal Entity [Axis] Legal Entity [Axis] Foreign currency translation difference Foreign Currency Translation, Property, Plant And Equipment Foreign Currency Translation, Property, Plant And Equipment Volume weighted average price, number of trading days Business Combination, Contingent Consideration, Equity, Volume Weighted Average Price Per Share, Number Of Trading Days Business Combination, Contingent Consideration, Equity, Volume Weighted Average Price Per Share, Number Of Trading Days Weighted-average discount rate (in percent) Operating Lease, Weighted Average Discount Rate, Percent Number of entities in which company is entitled to distributions Number of Entities In Which Company Is Entitled To Distributions Number of Entities In Which Company Is Entitled To Distributions Assets: Assets, Fair Value Disclosure [Abstract] Monte Carlo Valuation Technique, Monte Carlo [Member] Valuation Technique, Monte Carlo Deferred income Disposal Group, Including Discontinued Operation, Contract with Customer, Liability Disposal Group, Including Discontinued Operation, Contract with Customer, Liability Forgiveness of debt Debt Instrument, Decrease, Forgiveness Sales of investments Proceeds from Sale of Other Investments Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Goodwill, net Goodwill Disclosure [Text Block] Leasehold improvements Leasehold Improvements [Member] Unrealized foreign currency (gains)/losses Unrealized Gain (Loss), Foreign Currency Transaction, after Tax Diluted (in shares) Weighted-average shares of Class A Common Stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Operating Expenses Operating Expenses [Abstract] Operating Expenses [Abstract] Purchases of fixed assets Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Debt Securities, Held-to-Maturity [Table] Debt Securities, Held-to-Maturity [Table] Total assets Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Share based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Compensation and employee benefits Labor and Related Expense Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Non-NEOs Non-NEOs [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Non-Controlling Interest Holders, Tax Receivable Agreements Non-Controlling Interest Holders, Tax Receivable Agreements [Member] Non-Controlling Interest Holders, Tax Receivable Agreements Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Impairment loss on goodwill and intangible assets Impairment loss on goodwill and intangible assets Impairment loss on goodwill and intangible assets Goodwill and Intangible Asset Impairment Adjustment to Compensation: Adjustment to Compensation [Axis] Cost Equity Securities, FV-NI, Cost Equity consideration Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Debt Instrument [Line Items] Debt Instrument [Line Items] Basic (in shares) Weighted-average shares of Class A Common Stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Cash receipts from the repayment of advances and loans Proceeds from Collection of Advance to Affiliate TRA, tax payments and cash distributions Tax Receivable Agreement, Tax Payments and Cash Distributions Tax Receivable Agreement, Tax Payments and Cash Distributions Alvarium, TWMH And TIG Alvarium, TWMH And TIG [Member] Alvarium, TWMH And TIG Property, Plant and Equipment, Other Types Property, Plant and Equipment, Other Types [Member] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Revenues [Abstract] Revenues [Abstract] TRA, administering costs and expenses, percentage of obligation by affiliated entity Tax Receivable Agreement, Administering Costs And Expenses, Percentage Of Obligation Of Affiliated Entity Tax Receivable Agreement, Administering Costs And Expenses, Percentage Of Obligation Of Affiliated Entity Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Revenue Volatility Measurement Input, Revenue Volatility [Member] Measurement Input, Revenue Volatility Assets under management Assets under Management, Carrying Amount Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Unused commitment fee (in percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Statement [Line Items] Statement [Line Items] Payout right Payout Right, Fair Value Payout Right, Fair Value Earn-in expense, cash (in percent) Earn-In Expense, Percentage of Cash Earn-In Expense, Percentage of Cash Non-controlling interest in subsidiaries Noncontrolling Interest [Member] Earn-in consideration payable Earn-In Consideration Payable Earn-In Consideration Payable Qualified Plan [Member]