0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Financial Condition (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Changes in Equity and Redeemable Non-Controlling Interests (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Changes in Equity and Redeemable Non-Controlling Interests (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Organization and Nature of Business link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Revenue and Receivables from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Regulatory Requirements link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Fixed Assets link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Stockholders' Equity and Redeemable Non-Controlling Interests link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Equity-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Other Compensation and Benefits link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Net Income (Loss) Per Share Attributable to Class A Common Shareholders link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Fair Value Measurements and Investments link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue and Receivables from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Fixed Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Net Income (Loss) Per Share Attributable to Class A Common Shareholders (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Fair Value Measurements and Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Revenue and Receivables from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Revenue and Receivables from Contracts with Customers - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Revenue and Receivables from Contracts with Customers - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Revenue and Receivables from Contracts with Customers - Schedule of Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Leases - Schedule of Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Leases - Schedule of Operating Lease Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Leases - Schedule of Operating Lease Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Intangible Assets - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Intangible Assets - Summary of Future Aggregate Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Fixed Assets - Schedule of Fixed Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Fixed Assets - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Income Taxes - Schedule of Company's Tax Position (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Stockholders' Equity and Redeemable Non-Controlling Interests (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Equity-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Other Compensation and Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Net Income (Loss) Per Share Attributable to Class A Common Shareholders - Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share Attributable to Class A Common Shareholders (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Net Income (Loss) Per Share Attributable to Class A Common Shareholders - Schedule of Weighted Average Potentially Dilutive Shares Excluded from Computation of Diluted Net Income (Loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair Value Measurements and Investments - Schedule of Financial Instruments That Were Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Fair Value Measurements and Investments - Schedule of Additional Inputs into the Valuation Model for the Earn-Out (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Fair Value Measurements and Investments - Schedule of Changes in Fair Value of the Level 3 Financial Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Related Party Transactions - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Related Party Transactions - Schedule of Estimated Payments Under Tax Receivable Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Segment and Geographic Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Segment and Geographic Information - Schedule of Geographical Distribution of Revenues and Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink