Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Denominator Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Title of 12(b) Security Title of 12(b) Security Net income (loss), diluted Net Income (Loss) Available to Common Stockholders, Diluted Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Document Fiscal Year Focus Document Fiscal Year Focus Expected period of revenue recognition Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Adjustment to Compensation, Amount Adjustment to Compensation Amount Cash and cash equivalents, unrealized gains Cash And Cash Equivalents, Accumulated Gross Unrealized Gain, Before Tax Cash And Cash Equivalents, Accumulated Gross Unrealized Gain, Before Tax Financial Instrument [Axis] Financial Instrument [Axis] Number of Shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Segment Reporting [Abstract] Schedule of Expected Amortization Expense of Intangible Assets Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Schedule of Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock Common Stock, Value, Issued Taxes paid related to net share settlements of stock-based compensation awards Payment, Tax Withholding, Share-Based Payment Arrangement Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Restatement Determination Date Restatement Determination Date Measurement Frequency [Axis] Measurement Frequency [Axis] Initial Conversion Price (in dollars per share) Debt Instrument, Convertible, Conversion Price Amendment Flag Amendment Flag Current liabilities Liabilities, Current [Abstract] (Recovery of) provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Principal payments on finance lease obligations Finance Lease, Principal Payments Marketable securities, unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Schedule of Marketable Securities Debt Securities, Available-for-Sale [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province Unrealized Loss Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount 2028 Notes, over-allotment option One Point One Two Five Percent Convertible Senior Notes Due 2028, Over-Allotment Option [Member] One Point One Two Five Percent Convertible Senior Notes Due 2028, Over-Allotment Option Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Unvested at beginning of period (in shares) Unvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Weighted-average common shares outstanding - basic (in shares) Weighted-average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Accretion of premiums and discounts on marketable securities, net Accretion (Amortization) of Discounts and Premiums, Investments Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Convertible senior notes, non-current Convertible Debt, Noncurrent Acquired customer-related Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town 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] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Intangible assets, net Net Carrying Amount Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income (loss), basic Net Income (Loss) Available to Common Stockholders, Basic Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] United States UNITED STATES Issuance of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Change in share repurchase excise tax, accrued but not paid Change in Share Repurchase Program, Excise Tax, Payable Change in Share Repurchase Program, Excise Tax, Payable Recently Adopted Accounting Pronouncements / New Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Purchases of property and equipment, accrued but not paid Capital Expenditures Incurred but Not yet Paid Deferred revenue Increase (Decrease) in Contract with Customer, Liability Amortization of issuance costs Amortization of Debt Issuance Costs Use of Estimates Use of Estimates, Policy [Policy Text Block] Other comprehensive (loss) income Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Net carrying amount Long-Term Debt Document Period End Date Document Period End Date Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Original Principal (including overallotment) Face amount of debt issued Debt Instrument, Face Amount Basic net income (loss) per share Earnings Per Share, Basic [Abstract] Security Exchange Name Security Exchange Name Treasury stock, at cost; 15,027 and 0 shares at September 30, 2026 and December 31, 2025, respectively Treasury Stock, Common, Value Effective interest percentage Debt Instrument, Interest Rate, Effective Percentage Shares issued, weighted average price per share (in dollars per share) Share-based Compensation Arrangement By Share-based Payment Award, Shares Issued In Period, Weighted Average Price Per Share Share-based Compensation Arrangement By Share-based Payment Award, Shares Issued In Period, Weighted Average Price Per Share Professional services Professional Services [Member] Convertible debt outstanding Convertible Debt Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Class B Common Stock Common Class B [Member] Operating lease liabilities Operating Lease, Liability, Current Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] 12 months or greater Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Accrued interest Interest Payable, Current Statement of Comprehensive Income [Abstract] Due in three to five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Year Two Through Five Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Year Two Through Five Net Income (Loss) Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Cost of revenue Cost of Product and Service Sold [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Denominator Weighted Average Number of Shares Outstanding, Basic [Abstract] Company Selected Measure Name Company Selected Measure Name Purchase of marketable securities Payments to Acquire Debt Securities, Available-for-Sale Income Tax Disclosure [Abstract] Weighted-average effect of dilutive securities: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Equity Incentive Plan 2014 Equity Incentive Plan 2014 [Member] Equity Incentive Plan 2014 Diluted net income (loss) per share Earnings Per Share, Diluted [Abstract] Noncash investing and financing activities Noncash Investing and Financing Items [Abstract] Principal Long-Term Debt, Gross Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other receivables Other Receivables, Net, Current Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted-average common shares outstanding - diluted (in shares) Number of shares used in diluted calculation (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Deferred income tax Deferred Income Taxes and Tax Credits Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Commercial paper Commercial Paper [Member] U.S. treasury debt securities US Treasury Securities [Member] Threshold percentage of stock trading price Debt Instrument, Convertible, Threshold Percentage Of Stock Trading Price Debt Instrument, Convertible, Threshold Percentage Of Stock Trading Price Entities [Table] Entities [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Other assets Increase (Decrease) in Other Noncurrent Assets Gross profit Gross Profit Revenue from Contract with Customer [Abstract] Operating lease right-of-use assets Increase (Decrease) In Operating Right-Of-Use Asset Increase (Decrease) In Operating Right-Of-Use Asset Debt Conversion Terms, Two Debt Conversion Terms, Two [Member] Debt Conversion Terms, Two Share repurchases, accrued but not paid Stock Repurchased but Not yet Paid Stock Repurchased but Not yet Paid Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash included within prepaid expenses and other at end of period Restricted Cash, Current Treasury Stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Number of vested shares recipients elected to defer settlement, released during period (in shares) Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Released From Deferral Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Released From Deferral Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Initial Conversion Rate Debt Instrument, Convertible, Conversion Ratio Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Employee share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements 2028 Notes One Point Two Five Percent Convertible Senior Notes Due 2028 [Member] One Point Two Five Percent Convertible Senior Notes Due 2028 Unvested at beginning of period (in dollars per share) Unvested at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table] Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table] All Executive Categories All Executive Categories [Member] Repurchases of Class A common stock including accrued excise tax Stock Repurchased and Retired During Period, Value Operating lease liabilities Increase (Decrease) in Operating Lease Liability Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Plan Name [Domain] Plan Name [Domain] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Outstanding beginning of the period (in dollars per share) Outstanding end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheets Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Sales and marketing Selling and Marketing Expense Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Schedule of Basic and Diluted Income (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment and Geographic Information Segment Reporting [Text Block] Cash Equivalents and Marketable Securities Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Maturities of marketable securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Expiration Date Trading Arrangement Expiration Date Weighted-average common shares outstanding Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents, aggregate fair value Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Outstanding, weighted-average remaining contractual term (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Fair value of convertible debt Convertible Debt, Fair Value Disclosures Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, share authorized (in shares) Common Stock, Shares Authorized Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Weighted Average Useful Life (Years) Intangible Asset, Finite-Lived, Useful Life ESPP employee contributions Accrued Employee Benefits, Current Exercise Price Award Exercise Price Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Effect of foreign exchange rates on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Schedule of Long-lived Assets by Geographic Areas Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset [Table Text Block] Sale of marketable securities Proceeds from Sale of Debt Securities, Available-for-Sale Unamortized issuance costs Debt Issuance Costs, Net Patents and perpetual licenses Patents And Perpetual Licenses [Member] Patents And Perpetual Licenses Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Other receivables Increase (Decrease) in Other Receivables Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Stated interest percentage Debt Instrument, Interest Rate, Stated Percentage Total stockholders’ deficit Beginning of the period End of period Equity, Attributable to Parent ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Marketable securities, amortized cost Debt Securities, Available-for-Sale, Amortized Cost Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Outstanding beginning of the period (in shares) Outstanding end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Schedule of Restricted Stock Units and Performance Restricted Stock Units Activity Schedule of Nonvested Share Activity [Table Text Block] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other Prepaid Expense and Other Assets, Current Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Finite-Lived Intangible Asset, Expected Amortization, after Year Four Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted stock units Restricted Stock Units (RSUs) [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of the Changes in the Carrying Amount of Goodwill Goodwill [Table Text Block] Deferred costs, non-current Capitalized Contract Cost, Net, Noncurrent Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Restricted stock units and Performance restricted stock units Shares subject to unvested restricted stock units and performance restricted stock units Restricted Stock Units And Performance Shares [Member] Restricted Stock Units And Performance Shares Income Statement [Abstract] Stockholders’ deficit Equity, Attributable to Parent [Abstract] Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Operating expenses Operating Expenses [Abstract] Finance lease obligations, non-current Finance Lease, Liability, Noncurrent Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Summary of Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] Options (in shares): Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Accrued commissions Accrued Sales Commission, Current City Area Code City Area Code Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Shares underlying our convertible senior notes Convertible Debt Securities [Member] Number of vested shares recipient elected to defer settlement (in shares) Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other than Options, Vested And Deferred Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other than Options, Vested And Deferred Schedule of Revenue by Geographic Region Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Name Forgone Recovery, Individual Name Unrecognized compensation expense, period for recognition (years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted- Average Grant Date Fair Value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Line Items] Statement [Line Items] Total assets Assets Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Convertible debt Convertible Debt [Member] Convertible senior notes, current Convertible Debt, Current Interest expense Interest Expense, Nonoperating Schedule of Stock-based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Proceeds from shares issued in connection with employee stock purchase plan Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Excluding Option Exercised Marketable securities, unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Proceeds from the issuance of convertible senior notes Proceeds from Convertible Debt PEO PEO [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Share-based compensation expense Share-Based Payment Arrangement, Expense Repurchases of Class A common stock including accrued excise tax (in shares) Stock Repurchased and Retired During Period, Shares Cash Equivalents Cash Equivalents [Member] Other long-term liabilities Other Liabilities, Noncurrent Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Number of additional shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Issuance of common stock upon exercise of stock options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Deferred revenue recognized Contract with Customer, Liability, Revenue Recognized Due within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Cash and cash equivalents and available-for-sale securities, amortized cost Cash, Cash Equivalents And Available-For-Sale Debt Securities, Amortized Cost Cash, Cash Equivalents And Available-For-Sale Debt Securities, Amortized Cost Payables and Accruals [Abstract] Accumulated Deficit Retained Earnings [Member] Operating lease liabilities, non-current Operating Lease, Liability, Noncurrent Total operating expenses Operating Expenses Money market funds Money Market Funds [Member] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Subscription and support License and Service [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Corporate debt securities Corporate Debt Securities [Member] Diluted (in dollars per share) Net income (loss) per share, diluted (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Tax withholding related to net share settlements of stock-based compensation awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other Increase (Decrease) in Prepaid Expense and Other Assets Amortization expense related to intangible assets Intangible Asset, Finite-Lived, Amortization Expense Net income (loss) per common share EPS, Basic And Diluted [Abstract] EPS, Basic And Diluted Interest on convertible notes, net of tax Interest on Convertible Debt, Net of Tax Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Research and development Research and Development Expense Adjustments to reconcile net income (loss) to net cash provided by operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Share-Based Payment Arrangement [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Debt Instrument, Convertible, Terms Of Conversion [Axis] Debt Instrument, Convertible, Terms Of Conversion [Axis] Debt Instrument, Convertible, Terms Of Conversion Financial Instruments [Domain] Financial Instruments [Domain] Numerator Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Issuance of common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Intangible Assets and Goodwill Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Recognition Revenue from Contract with Customer [Text Block] Due in one to two years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Year One Through Two Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Year One Through Two Deferred costs Increase (Decrease) In Capitalized Contract Cost Increase (Decrease) In Capitalized Contract Cost Number of shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Debt Instrument, Convertible, Terms Of Conversion [Domain] Debt Instrument, Convertible, Terms Of Conversion [Domain] Debt Instrument, Convertible, Terms Of Conversion [Domain] Supplemental Consolidated Balance Sheet Information Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Customer deposits Client Deposits, Current Client Deposits, Current Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Income (loss) from operations Operating Income (Loss) Revenue expected to be recognized Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Long-lived assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Investments Classified by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of Stock-Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted-Average Exercise Price (in dollars per share): Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Beginning of the period (in shares) End of period (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Entity Information [Line Items] Entity Information [Line Items] Treasury stock, at cost (in shares) Beginning of the period (in shares) End of period (in shares) Treasury Stock, Common, Shares 12 months or greater Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Marketable securities Debt Securities, Available-for-Sale, Current Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Cash paid for income taxes, net of refunds Income Tax Paid, after Refund Received Class A Common Stock Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Finance lease obligations Finance Lease, Liability, Current Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Tax withholding related to net share settlements of stock-based compensation awards (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent Document Type Document Type Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses and other current liabilities Total Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Payments upon maturity of convertible senior notes Payments to settle the convertible senior notes Repayments of Convertible Debt Redemption price, percentage Debt Instrument, Redemption Price, Percentage Schedule of Available-for-sale Securities, Continuous Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue, non-current Contract with Customer, Liability, Noncurrent Deferred costs Capitalized Contract Cost, Net, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Income (loss) before provision for income taxes Pretax income (loss) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Gain on lease modification Gain (Loss) On Modification Of Lease Gain (Loss) On Modification Of Lease Goodwill [Roll Forward] Goodwill [Roll Forward] LIABILITIES AND STOCKHOLDERS’ DEFICIT Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Exercisable, weighted-average remaining contractual term (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Acquired trade names Trade Names [Member] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] U.S. government agency debt securities US Government Agencies Debt Securities [Member] Supplemental cash flow disclosure Supplemental Cash Flow Information [Abstract] 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Geographical [Axis] Geographical [Axis] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Total Interest Expense, Debt Estimated health insurance claims Self Insurance Reserve, Current Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Total cash, cash equivalents, and restricted cash at end of period shown in the consolidated statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Accounts payable Increase (Decrease) in Accounts Payable Accrued other liabilities Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Cash and cash equivalents and available-for-sale securities, unrealized losses Cash And Cash Equivalents And Debt Securities, Available-For-Sale, Accumulated Gross Unrealized Loss, Before Tax Cash And Cash Equivalents And Debt Securities, Available-For-Sale, Accumulated Gross Unrealized Loss, Before Tax Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Employee Stock Purchase Plan Shares issuable pursuant to the ESPP Employee Stock [Member] 2026 Notes, over-allotment option One Point One Two Five Percent Convertible Senior Notes Due 2026, Over-Allotment Option [Member] One Point One Two Five Percent Convertible Senior Notes Due 2026, Over-Allotment Option Cash and cash equivalents and available-for-sale securities, unrealized gains Cash And Cash Equivalents And Debt Securities, Available-For-Sale, Accumulated Gross Unrealized Gain, Before Tax Cash And Cash Equivalents And Debt Securities, Available-For-Sale, Accumulated Gross Unrealized Gain, Before Tax Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Net income (loss) per share, basic (in dollars per share) Earnings Per Share, Basic Repurchases of Class A common stock Payments for Repurchase of Common Stock Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Insider Trading Arrangements [Line Items] Award Type [Axis] Award Type [Axis] Debt Conversion Terms, One Debt Conversion Terms, One [Member] Debt Conversion Terms, One Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance for credit losses of $728 and $1,043 at September 30, 2026 and December 31, 2025, respectively Accounts Receivable, after Allowance for Credit Loss, Current Unrealized (loss) gain on available-for-sale securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Threshold number of trading days (day) Debt Instrument, Convertible, Threshold Trading Days Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock (Class A and B) Common Stock [Member] Marketable securities, aggregate fair value Marketable securities Marketable securities Debt Securities, Available-for-Sale Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Shares issued (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Organization and Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover [Abstract] Other countries Non-US [Member] 2026 Notes One Point One Two Five Percent Convertible Senior Notes Due 2026 [Member] One Point One Two Five Percent Convertible Senior Notes Due 2026 United Kingdom UNITED KINGDOM Contractual interest expense Interest Expense, Debt, Excluding Amortization Foreign currency translation adjustments Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Schedule of Convertible Debt Convertible Debt [Table Text Block] Total liabilities and stockholders’ deficit Liabilities and Equity Accrued payroll Accrued Salaries, Current Shares subject to outstanding common stock options Employee stock options Share-Based Payment Arrangement, Option [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Tabular List, Table Tabular List [Table Text Block] Additional paid-in-capital Additional Paid in Capital Purchase of intangible assets Payments to Acquire Intangible Assets Other income (expense), net Other Nonoperating Income (Expense) Convertible Senior Notes Long-Term Debt [Text Block] 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Convertible senior notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period General and administrative General and Administrative Expense Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, $0.001 par value; 100,000,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Accrued bonuses Accrued Bonuses, Current Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets measured at fair value Assets, Fair Value Disclosure Name Measure Name Provision for Income Taxes Income Tax Disclosure [Text Block] Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalent [Table] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-in-Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Remaining life of debt instrument Debt Instrument, Remaining Term Debt Instrument, Remaining Term Name Trading Arrangement, Individual Name Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and cash equivalents at end of period Cash and cash equivalents, amortized cost Cash and Cash Equivalent Cash and cash equivalents and marketable securities, aggregate fair value Cash and cash equivalents and marketable securities Cash, Cash Equivalents And Available-For-Sale Debt Securities Cash, Cash Equivalents And Available-For-Sale Debt Securities Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Other countries Other Countries, Excluding United States And United Kingdom [Member] Other Countries, Excluding United States And United Kingdom Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Accrued vacation Accrued Vacation, Current Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Provision (benefit) for income taxes Income Tax Expense (Benefit) Total cost of revenue Cost of Product and Service Sold Acquired technology Technology-Based Intangible Assets [Member] Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from option exercises Proceeds from Stock Options Exercised Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Interest income Investment Income, Interest Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Threshold number of consecutive trading days (day) Debt Instrument, Convertible, Threshold Consecutive Trading Days Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Revenue Revenues [Abstract] Maximum face amount for over-allotment option Debt Instrument, Face Amount, Maximum Over-Allotment Option Debt Instrument, Face Amount, Maximum Over-Allotment Option Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]