Document and Entity Information Statement [Table] Statement [Line Items] Statement Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Consolidated Statements of Financial Condition Assets [Abstract] Assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Securities Borrowed Securities borrowed Net Amounts of Assets Presented in the Consolidated Statement of Financial Condition Receivables from Brokers-Dealers and Clearing Organizations Receivables from broker dealers and clearing organizations Total receivables from broker-dealers and clearing organizations Financial Instruments, Owned, at Fair Value [Abstract] Trading assets, at fair value: Financial Instruments, Owned and Not Pledged, at Fair Value Financial instruments owned Financial instruments owned, at fair value Financial Instruments, Owned and Pledged as Collateral, at Fair Value Financial instruments owned, pledged as collateral Financial instruments owned and pledged, where counterparty has right to repledge Financial instruments owned and pledged Property, Plant and Equipment, Net Property, equipment and capitalized software (net of accumulated depreciation of $112,092 and $113,184 as of March 31, 2017 and December 31, 2016, respectively) Goodwill Goodwill Finite-Lived Intangible Assets, Net Intangibles (net of accumulated amortization) Net Carrying Amount Deferred Tax Assets, Net, Noncurrent Deferred tax asset Other Assets Other assets ($38,055 and $36,480, at fair value, as of March 31, 2017 and December 31, 2016, respectively) Assets Total assets Liabilities and Equity [Abstract] Liabilities and equity Liabilities [Abstract] Liabilities Short-term Debt Short term borrowings Securities Loaned Securities loaned Net Amounts of Liabilities Presented in the Consolidated Statement of Financial Condition Payables to Broker-Dealers and Clearing Organizations Payables to broker dealers and clearing organizations Total payables to broker-dealers and clearing organizations Financial Instruments Sold, Not yet Purchased, at Fair Value [Abstract] Trading liabilities, at fair value: Financial Instruments Sold, Not yet Purchased, at Fair Value Financial instruments sold, not yet purchased Financial instruments sold, not yet purchased, at fair value Represents the carrying amount on the reporting date of the obligations relating to the tax receivable agreement. Tax Receivable Agreement, Obligations Tax receivable agreement obligations Sum of the carrying values as of the balance sheet date of liabilities incurred and payable to vendors for goods and services received, expenses incurred but not paid and other liabilities not separately disclosed in the balance sheet. Accounts Payable and Accrued Expenses and Other Liabilities Accounts payable and accrued expenses and other liabilities Long-term Debt Long-term borrowings Borrowing Outstanding, net Long term borrowings Liabilities Total liabilities Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity Common Stock, Value, Issued Common stock value Treasury Stock, Value Treasury stock, at cost, 453,066 and 453,066 shares at March 31, 2017 and December 31, 2016, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Stockholders' Equity Attributable to Parent Total stockholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total equity Liabilities and Equity Total liabilities and equity Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation (in dollars) Other Assets, Fair Value Disclosure Fair value of other assets (in dollars) Other assets Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock shares authorized Common Stock, Shares, Issued Common stock shares issued Common Stock, Shares, Outstanding Balance (in shares) Balance (in shares) Common stock, outstanding Common stock shares outstanding Treasury Stock, Shares Treasury stock shares Consolidated Statements of Comprehensive Income Revenues [Abstract] Revenues: Trading Gain (Loss) Trading income, net Interest and Dividend Income, Operating Interest and dividends income Technology Services Revenue Technology services Other Revenue, Net Other, net Revenues Revenues Total revenue Operating Expenses [Abstract] Operating Expenses: Floor Brokerage, Exchange and Clearance Fees Brokerage, exchange and clearance fees, net Communications and Information Technology Communication and data processing Labor and Related Expense Employee compensation and payroll taxes Represents the amount of interest and dividends expense incurred during the normal course of business. Interest and Dividend Expense Operating Interest and dividends expense General and Administrative Expense Operations and administrative The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives. Depreciation And Amortization Excluding Intangible Assets Depreciation and amortization Amortization of Intangible Assets Amortization expense relating to finite-lived intangible assets Amortization of purchased intangibles and acquired capitalized software The aggregate amount of noncash, equity-based employee remuneration vested upon initial public offering. Share-based Compensation Expense, Vested Upon Initial Public Offering Charges related to share-based compensation at IPO Interest Expense, Debt Financing interest expense on long-term borrowings Interest expense Operating Expenses Total operating expenses Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes and non-controlling interest Income before income taxes and noncontrolling interest Income Tax Expense (Benefit) Provision for income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Noncontrolling interest Net Income (Loss) Attributable to Parent Net income available for common stockholders Net income available for common stockholders Earnings per Share Earnings per share Earnings Per Share, Basic Basic (in dollars per share) Basic Earnings per share Earnings Per Share, Diluted Diluted (in dollars per share) Diluted Earnings per share Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding Weighted average shares of common stock outstanding Weighted Average Number of Shares Outstanding, Basic Outstanding Basic (in shares) Issued and outstanding Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted average number of shares of common stock outstanding Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign exchange translation adjustment Foreign currency translation adjustment, net of taxes Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to common stockholders Consolidated Statements of Changes in Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (decrease) in stockholder's/members' equity Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Share based compensation Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Share based compensation (in shares) Stock Repurchased During Period, Value Treasury stock purchases Stock Repurchased During Period, Shares Treasury stock purchases (in shares) Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distribution from Virtu Financial to non-controlling interest Dividends, Common Stock Dividends Number of new stock issued during the period in connection with employee exchange. Stock Issued During Period, Shares, New Issues Employee Exchange Issuance of common stock in connection with employee exchanges (in shares) Equity impact of the share of members interests that has been repurchased during the period as part of a employee exchange and has not been retired and is not held in treasury. Common Units Repurchased During Period In Employee Exchange, Shares Repurchase of Virtu Financial Units and corresponding number of Class C common stock in connection with employee exchanges (in shares) Amount of increase in additional paid in capital (APIC) resulting from issuance of tax receivable agreements in connection with employee exchange. Adjustments To Additional Paid In Capital Issuance Of Tax Receivable Agreements In Connection With Employee Exchange Issuance of tax receivable agreements in connection with employee exchange Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Amortization of Financing Costs and Discounts Amortization of debt issuance costs and deferred financing fees Represents the amount of expense related to the lease abandonment or termination. Lease Abandonment Termination of office leases Share-based Compensation. Share based compensation Asset Impairment Charges Equipment writeoff Deferred Income Tax Expense (Benefit) Deferred taxes Other Noncash Income (Expense) Other Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Securities Borrowed Securities borrowed Increase (Decrease) in Receivables under Repurchase Agreements Securities purchased under agreements to resell Increase (Decrease) in Receivables from Brokers-Dealers and Clearing Organizations Receivables from broker dealers and clearing organizations Represents the amount of increase (decrease) in fair value of trading assets. Increase (Decrease) in Trading Assets at Fair Value Trading assets, at fair value Increase (Decrease) in Other Operating Assets Other Assets Increase (Decrease) in Securities Loaned Transactions Securities loaned Increase (Decrease) in Payables to Broker-Dealers and Clearing Organizations Payables to broker dealers and clearing organizations Represents the amount of increase (decrease) in fair value of trading liabilities. Increase (Decrease) in Trading Liabilities at Fair Value Trading liabilities, at fair value Represents the portion attributable to the Tax receivable agreement obligations. Increase Decrease in Tax Receivable Agreement Obligations Tax receivable agreement obligations Represents the amount of increase (decrease) in accounts payable and accrued expenses and other liabilities. Increase (Decrease) in Accounts Payable and Accrued Expenses and Other Liabilities Accounts payable and accrued expenses and other liabilities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities Payments to Develop Software Development of capitalized software Payments to Acquire Property, Plant, and Equipment Acquisition of property and equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities Payments to Noncontrolling Interests Distribution from Virtu Financial to non-controlling interest Payments of Dividends Dividends Payments of dividends Payments for Repurchase of Common Stock Purchase of treasury stock Repayments of Short-term Debt Short-term borrowings, net The cash outflow to reacquire common units during the period. Payments for Repurchase Of Common Units Payments on repurchase of non-voting common interest Repayments of Long-term Debt Repayment of senior secured credit facility Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash used in financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on Cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net decrease in Cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplementary disclosure of cash flow information Interest Paid Cash paid for interest Income Taxes Paid, Net Cash paid for taxes Cash Flow Noncash Investing Activities Disclosure [Abstract] Non-cash investing activities Represents the amount of non-cash compensation to developers subject to capitalization of software. Non Cash Compensation to Developers Subject to Capitalization of Software Share based compensation of developers relating to software capitalized Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization and Basis of Presentation Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Earnings Per Share [Text Block] Earnings per share n/a Tax Receivable Agreements The entire disclosure for tax receivable agreements. Tax Receivable Agreements Disclosure [Text Block] Tax Receivable Agreements Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets Receivables from/Payables to Broker-Dealers and Clearing Organizations Due to and from Broker-Dealers and Clearing Organizations Disclosure [Text Block] Receivables from/Payables to Broker-Dealers and Clearing Organizations Collateralized Transactions The entire disclosure for collateralized transactions. Collateralized Agreements [Text Block] Collateralized Transactions Borrowings Debt Disclosure [Text Block] Borrowings Financial Assets and Liabilities Fair Value Disclosures [Text Block] Financial Assets and Liabilities Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments Income Taxes Income Taxes Income Tax Disclosure [Text Block] Income Taxes Commitments, Contingencies and Guarantees Commitments and Contingencies Disclosure [Text Block] Commitments, Contingencies and Guarantees Capital Structure Stockholders' Equity Note Disclosure [Text Block] Capital Structure Share-based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-based Compensation Regulatory Requirement The entire disclosure regarding regulatory capital requirements for the entity. Regulatory Capital Requirement [Text Block] Regulatory Requirement Geographic Information Segment Reporting Disclosure [Text Block] Geographic Information Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions Subsequent Events Subsequent Events [Text Block] Subsequent Events Use of Estimates, Policy [Policy Text Block] Use of Estimates Earnings Per Share, Policy [Policy Text Block] Earnings Per Share Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Securities Borrowed and Loaned Policy [Policy Text Block] Securities Borrowed and Securities Loaned Repurchase and Resale Agreements Policy [Policy Text Block] Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase Disclosure of accounting policy for receivables from or payables to broker-dealers and clearing organizations. Receivables from or Payables to Broker Dealers and Clearing Organizations [Policy Text Block] Receivables from/Payables to Broker-dealers and Clearing Organizations Fair Value of Financial Instruments, Policy [Policy Text Block] Financial Instruments Owned Including Those Pledged as Collateral and Financial Instruments Sold, Not Yet Purchased Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Disclosure of accounting policy for fair value election for certain eligible financial assets and liabilities. Fair Value Option [Policy Text Block] Fair Value Option Derivatives, Policy [Policy Text Block] Derivative Instruments Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Internal Use Software, Policy [Policy Text Block] Capitalized Software Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Intangible Assets Exchange Memberships and Stock [Policy Text Block] Exchange Memberships and Stock Disclosure of accounting policy for trading income. Trading Income [Policy Text Block] Trading Income Disclosure of accounting policy for interest and dividends income and interest and dividends expense. Interest and Dividends Income or Expense [Policy Text Block] Interest and Dividends Income/Interest and Dividends Expense Revenue Recognition, Services, Licensing Fees [Policy Text Block] Technology Services Disclosure of accounting policy for rebates which consist of volume discounts, credits or payments received from exchanges or other market places related to the placement and/or removal of liquidity from the order flow in the market place. Rebates [Policy Text Block] Rebates Income Tax, Policy [Policy Text Block] Income Taxes