Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Net income attributable to common stockholders, dilutive Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Adjustment to Compensation, Amount Adjustment to Compensation Amount Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Common stock, $0.0001 par value per share; 214,611,134 shares authorized as of July 31, 2026 and January 31, 2026; 158,756,966 and 151,782,411 shares issued as of July 31, 2026 and January 31, 2026, respectively; 150,748,902 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liabilities Liabilities, Current 2031 Lessee, Operating Lease, Liability, to be Paid, Year Four Other revenue Financial Service, Other [Member] Programming Interface Service Programming Interface Service [Member] Programming Interface Service 2025 Plan 2025 Employee Incentive Plan [Member] 2025 Employee Incentive Plan Liability-classified common stock warrant Liability-Classified Common Stock Warrant [Member] Liability-Classified Common Stock Warrant Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Entity Address, City or Town Entity Address, City or Town Commitment Fee Scenario One Commitment Fee Scenario One [Member] Commitment Fee Scenario One Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Debt Commitment Fee Scenario [Axis] Debt Commitment Fee Scenario [Axis] Debt Commitment Fee Scenario Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Class of Stock [Axis] Class of Stock [Axis] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income attributable to common stockholders Net income attributable to common stockholders, basic Net Income (Loss) Available to Common Stockholders, Basic Number of noncancelable operating leases Lessee, Number Of Operating Leases Lessee, Number Of Operating Leases Proceeds from issuance of common stock under ESPP Proceeds from Stock Plans Receivable [Domain] Receivable [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Selling Stockholders Selling Stockholders [Member] Selling Stockholders Internally developed software capitalized Capitalized Cost, Software to be Sold, Leased, or Marketed, Addition Proceeds from Sale, Loan, Mortgage, Held-for-Sale Proceeds from Sale, Loan, Mortgage, Held-for-Sale Subsequent Event Type [Axis] Subsequent Event Type [Axis] Warrant liabilities Warrant Liabilities, Noncurrent, Fair Value Disclosure Warrant Liabilities, Noncurrent, Fair Value Disclosure Due from clients Due From Clients, Current Due From Clients, Current Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Liability outstanding Warrant Liabilities Warrant Liabilities Treasury stock, at cost; 8,008,064 and 1,476,948 shares held as of July 31, 2026 and January 31, 2026, respectively Treasury Stock, Value 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segregated and on deposit for regulatory purposes Cash and Securities Segregated under Securities Exchange Commission Regulation, Current Cash and Securities Segregated under Securities Exchange Commission Regulation, Current Change in fair value of simple agreement for future equity Fair Value Adjustment of Simple Agreement For Future Equity Fair Value Adjustment of Simple Agreement For Future Equity Equity Awards Adjustments Equity Awards Adjustments [Member] 2027 (remaining) Purchase Obligation, to be Paid, Remainder of Fiscal Year Total liabilities and stockholders’ equity Liabilities and Equity Variable lease cost Variable Lease, Cost Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Payable to clearing broker Increase (Decrease) in Payable to Broker-Dealer and Clearing Organization Employee Stock Option Share-Based Payment Arrangement, Option [Member] 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Amount Company Selected Measure Amount Series F Preferred Stock Series F Preferred Stock [Member] Depreciation and amortization of property, software, and equipment, net Depreciation, Depletion and Amortization Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Current assets: Assets, Current [Abstract] Percent of voting power owner Share-Based Compensation Arrangement by Share-Based Payment Award, Terms, Voting Power Owner, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Terms, Voting Power Owner, Percentage Weighted-average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Impairment of internally developed software Intangible Asset, Finite-Lived, Impairment Loss Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Provision for income taxes Income Tax Expense (Benefit) Numerator: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] Total Purchase Obligation Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Fractional shares repurchase obligation Fractional Shares Repurchase Obligation, Noncurrent, Fair Value Disclosure Fractional Shares Repurchase Obligation, Noncurrent, Fair Value Disclosure Net income Net income Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Subsequent Years Share-Based Payment Arrangement, Tranche Two [Member] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds 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