Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Revision of Prior Period [Axis] Revision of Prior Period [Axis] Statistical Measurement Statistical Measurement [Domain] Summary of Available-for-Sale Marketable Securities Debt Securities, Available-for-Sale [Table Text Block] Operating lease liability current statement of financial position extensible list not disclosed Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Restricted cash, current Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction Related Party Transaction [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] IPO IPO [Member] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Increases related to tax positions taken during prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Unbilled accounts receivable Unbilled Contracts Receivable Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Vesting of restricted stock units (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Vesting of Restricted Stock Units Number Share based compensation arrangement by share based payment award options vesting of restricted stock units number. Saudi Arabia SAUDI ARABIA Type of Restructuring [Domain] Type of Restructuring [Domain] Educator Partner Costs Collaborative Arrangements with Education Partners [Policy Text Block] Collaborative Arrangements with Education Partners [Policy Text Block] Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net loss per share—basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Shares reserved for issuance Shares reserved for issuance Common Stock, Capital Shares Reserved for Future Issuance REVENUE Revenue from Contract with Customer [Text Block] Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Subsidiary Or Equity Method Investee Sale Of Stock By Subsidiary Or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Gross deferred tax assets Deferred Tax Assets, Gross Tax benefits realized on awards vested and exercised Share-Based Payment Arrangement, Exercise of Option, Tax Benefit Schedule of Financial Information for Each Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Issuance of common stock related to employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Total current Current Income Tax Expense (Benefit) Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentrations of credit risk, percentage Concentration Risk, Percentage Percent of remaining performance obligations to be recognized Revenue, Remaining Performance Obligation, Percentage Principles of Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Stock Options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Research and Development Research and Development Expense, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents [Member] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Antidilutive Securities[Axis] Antidilutive Securities [Axis] Purchase of minority interest Payments to Acquire Equity Method Investments Impairment losses Asset Impairment Charges Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Schedule Of Available For Sale Securities [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Total Reversal of stock-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property, Equipment and Software, Net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Concentrations of Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] Cover [Abstract] Cover [Abstract] Deferred Tax Liabilities, Partnership Income Deferred Tax Liabilities, Partnership Income Deferred Tax Liabilities, Partnership Income Maximum Maximum [Member] General and administrative General and Administrative Expense [Member] Estimated useful lives Finite-Lived Intangible Asset, Useful Life Equity Method Investment [Table] Equity Method Investment [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Net Carrying Value Finite-Lived Intangible Assets, Net Schedule of Future Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type Concentration Risk Type [Domain] Internal-Use Software and Website Development Costs Internal Use Software, Policy [Policy Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury Stock Treasury Stock, Common [Member] Aggregate fair value of RSUs vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Deferred costs, net Deferred Costs Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Present value of operating lease liabilities Operating Lease, Liability Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Exercise price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Market Based Vesting Condition, Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Market Based Vesting Condition, Exercise Price Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Contract with customer, expected amortized cost period Contract With Customer, Expected Amortization Period Contract With Customer, Expected Amortization Period Weighted-average exercise price, canceled (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Non-cancelable purchase obligations Contractual Obligation, to be Paid, Year Five Name Measure Name Restructuring reserve Restructuring Reserve Related party content fees Related Party Content Fees Related party content fees. Schedule of Components of Loss Before Income Tax Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Summary of Stock-Based Compensation Expense in the Consolidated Statements of Operations Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, current Operating Lease, Liability, Current Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract] Other accounts payable and accrued expenses Other Accounts Payable and Accrued Liabilities Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Award Type[Axis] Award Type [Axis] Deferred revenue, non-current Contract with Customer, Liability, Noncurrent Revision of Prior Period, Adjustment Revision of Prior Period, Adjustment [Member] Contract Acquisition and Fulfillment Costs Contract Acquisition and Fulfillment Costs [Policy Text Block] Contract acquisition and fulfillment costs. Total assets Assets Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Investment, Name [Domain] Investment, Name [Domain] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four 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 Cash, Cash Equivalents, and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical Geographical [Domain] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Income Taxes Income Tax, Policy [Policy Text Block] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Concentration Risk Type Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance Statement of Income Location, Balance [Domain] RSUs Restricted Stock Units Restricted Stock Units (RSUs) [Member] Change in Accounting Estimate [Table] Change in Accounting Estimate [Table] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] One Customer One Customer [Member] One Customer 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Impairment of equity method investment Equity Method Investment, Other-than-Temporary Impairment Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Operating lease right-of-use assets Operating lease ROU assets obtained in exchange for lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Schedule Of Available For Sale Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Number of shares, beginning balance (in shares) Number of shares, ending balance (in shares) Stock options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number 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] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] State and local income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Carrying value of investment Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Related Party Related Party [Member] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Schedule of Income Tax Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Chief Executive Officer Chief Executive Officer [Member] Plan Name Plan Name [Axis] Property, Equipment, and Software, Net Property, Plant and Equipment, Policy [Policy Text Block] PEO PEO [Member] Employee Severance Employee Severance [Member] Legal fees Legal Fees GILTI Effective Income Tax Rate Reconciliation, GILTI, Amount Supplemental disclosure of noncash investing and financing activities: Noncash Investing and Financing Items [Abstract] Interest income, net Investment Income, Interest Current taxes: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Income Tax Paid, by Individual Jurisdiction [Line Items] Income Tax Paid, by Individual Jurisdiction [Line Items] Increase (decrease) in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount United States UNITED STATES Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised 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] Schedule of Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Schedule of Future Expected Amortization Expense for Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Intangible Assets, Net Intangible Assets, Finite-Lived, Policy [Policy Text Block] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash, cash equivalents, and restricted cash—beginning of period Cash, cash equivalents, and restricted cash—end of period Total cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax expense Total income tax expense Income Tax Expense (Benefit) Purchases of marketable securities Payments to Acquire Marketable Securities Sale of Stock Sale of Stock [Domain] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Customer Concentration Risk Customer Concentration Risk [Member] Schedule of Capitalized Contract Cost Capitalized Contract Cost [Table Text Block] Segment content costs Segment Reporting, Other Segment Item, Segment Content Costs Segment Reporting, Other Segment Item, Segment Content Costs Cash received for lease incentives Operating Lease, Cash Received For Lease Incentives Operating Lease, Cash Received For Lease Incentives Total property, equipment, and software Property, Plant and Equipment, Gross Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest ESPP Rights ESPP [Member] ESPP Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Other Other [Member] Other member. Employer discretionary contribution amount Defined Contribution Plan, Employer Discretionary Contribution Amount Income Tax Paid, by Individual Jurisdiction [Table] Income Tax Paid, by Individual Jurisdiction [Table] RESTRUCTURING RELATED CHARGES Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Trading day period (in days) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Market Based Vesting Condition, Trading Period, Days Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Market Based Vesting Condition, Trading Period, Days Proceeds from exercise of stock options Proceeds from Stock Options Exercised City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] US State Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Weighted-average remaining contractual term, options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Loss Contingencies Commitments and Contingencies, Policy [Policy Text Block] Other adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Employee stock incentive plan, purchase period Employee Stock Incentive Plan, Purchase Period Employee Stock Incentive Plan, Purchase Period Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Noncurrent Assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Computer equipment and purchased software Computer Equipment And Software [Member] Computer equipment and software. Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Operating lease liability statement of financial position extensible list Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Transaction costs Deferred Tax Assets, Transaction Costs Deferred Tax Assets, Transaction Costs Estimated Useful Lives Property, Plant and Equipment, Useful Life Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Summary of Weighted Average Assumptions to Record Stock-Based Compensation Expense for Stock Options Granted Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Total lease costs Lease, Cost Cost of revenue Cost of Sales [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Components of Lease Costs Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Weighted-average exercise price, options vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Cash equivalents—money market funds Money Market Funds [Member] Common stock options Common Stock Options [Member] Common stock options [Member]. Research and development Research And Development [Member] Research and development. Content assets Content Asset Content Asset [Member] Content asset member. Schedule of Supplemental Cash Flow and Weighted-average Remaining Lease Term and Discount Rate Disclosure of Supplemental Cash Flow Information Related to Leases [Table Text Block] Disclosure of supplemental cash flow information related to leases. Equity Components Equity Components [Axis] Rest of World Non-US [Member] Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Sublease income Sublease Income Stock Issued During Period, Value, Restricted Stock Award, Gross Stock Issued During Period, Value, Restricted Stock Award, Gross Auditor Name Auditor Name Restricted Stock Units and Stock Options Restricted Stock Units and Stock Options [Member] Restricted Stock Units and Stock Options Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments EMPLOYEE BENEFIT PLANS Compensation and Employee Benefit Plans [Text Block] Number of shares, canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Advertising Costs Advertising Cost [Policy Text Block] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Weighted- Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Entity Address, State or Province Entity Address, State or Province Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Gross profit margin Gross profit margin Gross profit margin Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Number of expected positions to be eliminated, Period Percent Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Issuance of restricted stock awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Vesting [Axis] Vesting [Axis] Change in Accounting Estimate [Line Items] Change in Accounting Estimate [Line Items] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Document Annual Report Document Annual Report Service-Based Stock Options [Member] Service-Based Stock Options [Member] Service-Based Stock Options Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Period for satisfaction of remaining performance obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 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] Document Fiscal Year Focus Document Fiscal Year Focus Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Capitalized research and development costs Deferred Tax Asset, In-Process Research and Development Total income tax expense Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Decreases related to tax positions taken during prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Operating lease cost Operating Lease, Cost Computer Software, Intangible Asset Computer Software, Intangible Asset [Member] Plan Name Plan Name [Domain] Right-of-use asset obtained in exchange for operating lease liability Unpaid Deferred Offering Costs Unpaid deferred offering costs. Weighted average period for recognition of compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Performance period target level (percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period Complete, Target Level, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period Complete, Target Level, Percentage Issuance of common stock upon exercise of options (in shares) Number of shares, exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Valuation allowance Deferred Tax Assets, Valuation Allowance Deferred revenue Deferred Tax Assets, Deferred Income Intangible Assets, Excluding Internal-Use Software And Website Development Intangible Assets, Excluding Internal-Use Software And Website Development [Member] Intangible Assets, Excluding Internal-Use Software And Website Development Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount SEGMENT AND GEOGRAPHIC INFORMATION Segment Reporting Disclosure [Text Block] Weighted average remaining amortization period for intangible asset Finite-Lived Intangible Assets, Remaining Amortization Period US Treasury Securities [Member] US Treasury Securities [Member] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Base erosion payment waived Effective Income Tax Rate Reconciliation, Nondeductible Expense, Base Erosion Payment Waived, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Base Erosion Payment Waived, Amount Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Amortization expense for internal-use software and website development Amortization expense for intangible assets Segment amortization Amortization of Intangible Assets Leases Lessee, Leases [Policy Text Block] Other assets Other Assets, Miscellaneous Stock repurchased, value Stock Repurchased During Period, Value Purchases of property, equipment, and software Payments to Acquire Productive Assets Depreciation and amortization Depreciation and amortization expense Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] 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] Summary of Shares of Common Stock Reserved for Future Issuance Schedule Of Common Stock Reserved For Future Issuance [Table Text Block] Schedule of common stock reserved for future issuance. Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Accounts Receivable, Net Accounts Receivable [Policy Text Block] Defined Benefit Plan [Table] Defined Benefit Plan [Table] Withholding tax Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Contract with customer amortization on renewal period Contract With Customer Amortization On Renewal Period Contract With Customer Amortization On Renewal Period Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Deferred revenue, current Contract with Customer, Liability, Current Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract] Award revenue target amount Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Revenue Target, Amount Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Revenue Target, Amount Segments Segments [Axis] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Market-based vesting condition, stock price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Market Based Vesting Condition, Stock Price Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Market Based Vesting Condition, Stock Price Assets Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] 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 Deferred tax assets: Deferred Tax Assets, Net [Abstract] Gross Carrying Value Finite-Lived Intangible Assets, Gross Stockholders’ equity: Equity, Attributable to Parent [Abstract] 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] Fair value of common stock (in usd per share) Share Based Compensation Arrangement By Share Based Payment Award Fair Value of Common Stock Share Based Compensation Arrangement By Share Based Payment Award Fair Value of Common Stock Share-based compensation arrangement by share-based payment award, award Vesting rights, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Entity Address, Address Line One Entity Address, Address Line One Repurchases of common stock Treasury Stock, Value, Acquired, Cost Method Research and development Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Accrued compensation and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Operating lease liabilities, non-current Operating Lease, Liability, Noncurrent Tax withholding on vesting of restricted stock units (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Entity Voluntary Filers Entity Voluntary Filers Deferred Revenue Contract Assets and Liabilities [Policy Text Block] Contract assets and liabilities. Fair Value as of Grant Date Award Grant Date Fair Value Billed accounts receivable, net of allowance for credit losses Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net operating loss carryforwards Operating Loss Carryforwards cumulative stock-based compensation expense Employee Benefits and Share-Based Compensation Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Capitalization of content assets Capitalized Computer Software, Amortization Title and Position [Domain] Title and Position [Domain] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of shares, options vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Compensation cost related to the nonvested awards not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Related Party Transaction [Line Items] Related Party Transaction [Line Items] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Number of operating segments Number of Operating Segments Aggregate Intrinsic Value, Unvested balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Weighted-average remaining contractual term, balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount [Abstract] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] 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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent [Abstract] Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Stock-based compensation capitalized as internal-use software costs Share Based Compensation Capitalized As Internal Use Software Stock based compensation capitalized as internal use software costs. Non-PEO NEO Non-PEO NEO [Member] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Foreign Deferred Foreign Income Tax Expense (Benefit) Accounts Receivable Accounts Receivable [Member] Schedule of Deferred Costs, Net and Other Assets Disclosure Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Vesting of restricted stock units, net of tax withholdings Stock Issued During Period, Value, Employee Stock Purchase Plan Operating lease ROU assets Deferred Tax Liabilities, Leasing Arrangements Sale of Stock Sale of Stock [Axis] Name Trading Arrangement, Individual Name Award Type[Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Advertising expense Advertising Expense Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Partnership income Deferred Tax Assets, Partnership Income Deferred Tax Assets, Partnership Income Deferred taxes: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Contract with customer, purchase of fixed quantity of seat licenses, contract period Contract With Customer, Purchase Of Fixed Quantity Of Seat Licenses, Contract Period Contract With Customer, Purchase Of Fixed Quantity Of Seat Licensing, Period Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Restructuring related charges Restructuring Charges [Member] Revenue recognized Contract with Customer, Liability, Revenue Recognized Colombia COLOMBIA Treasury Stock, Policy Treasury Stock, Policy [Policy Text Block] Treasury Stock, Policy MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Withholding tax Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Impairment losses on contract assets Impairment Losses On Contract Assets Impairment losses on contract assets. Lease liabilities Deferred Tax Assets, Operating Lease Liabilities Amount, before allocation of valuation allowance, of deferred tax asset attributable to operating lease liabilities. Cash payment Payments for Restructuring Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Unvested beginning balance (in dollars per share) Unvested ending balance (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 Restricted cash, non-current Restricted Cash, Noncurrent Restructuring Type [Axis] Restructuring Type [Axis] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Revenue Revenues [Abstract] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, at cost—none and 5.2 shares as of December 31, 2025 and 2024 Treasury Stock, Value Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount [Abstract] RSUs outstanding Share Based Compensation Arrangement By Share Based Payment Award RSUs Outstanding Share Based Compensation Arrangement By Share Based Payment Award RSUs Outstanding Sales and marketing Selling and Marketing Expense Aggregate intrinsic value, options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Financial Instruments [Domain] Financial Instruments [Domain] Total deferred tax liabilities Deferred Tax Liabilities, Gross Auditor Firm ID Auditor Firm ID Segments Segments [Domain] Statement of Income Location, Balance Statement of Income Location, Balance [Axis] Europe, Middle East, and Africa EMEA [Member] Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign PSUs Performance Shares [Member] INVESTMENTS Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Developed technology Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net Loss Per Share Attributable to Common Stockholders Earnings Per Share, Policy [Policy Text Block] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Deferred costs, net Deferred Costs, Current Revenue Revenue [Policy Text Block] Cost of Revenue Cost of Goods and Service [Policy Text Block] Preferred stock, $0.00001 par value—10.0 shares authorized and no shares issued and outstanding as of December 31, 2025 and 2024 Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Cash paid for amounts included in the measurement of operating lease liabilities Operating Lease, Payments Proceeds from employee stock purchase plan Proceeds from Stock Plans Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Performance-Based Stock Options [Member] Performance-Based Stock Options [Member] Performance-Based Stock Options All Executive Categories All Executive Categories [Member] Impairment of Intangible Assets (Excluding Goodwill) Impairment of Intangible Assets (Excluding Goodwill) Schedule of Significant components of our deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Common stock, $0.00001 par value—300.0 shares authorized as of December 31, 2025 and December 31, 2024; 167.9 shares issued and outstanding as of December 31, 2025, and 165.3 shares issued and 160.1 shares outstanding as of December 31, 2024 Common Stock, Value, Issued Foreign Current Foreign Tax Expense (Benefit) Purchases of content assets Payments to Acquire Content Assets Payments to Acquire Content Assets COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Title and Position [Axis] Title and Position [Axis] Weighted average shares used in computing net loss per share—diluted (in shares) Weighted-average shares used in computing net loss per share—diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment Reporting, Policy Segment Reporting, Policy [Policy Text Block] Commitments and contingencies (Note 9) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Sales and marketing Selling and Marketing Expense [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Private Company Private Company [Member] Private Company Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding State Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report Ownership interest in equity method investment, percentage Equity Method Investment, Ownership Percentage Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Underlying Securities Award Underlying Securities Amount Net deferred tax assets Deferred Tax Assets, Net Equity Component Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Platform operation and maintenance costs Platform And Support Costs Platform and support costs. Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] INCOME TAXES Income Tax Disclosure [Text Block] CONSOLIDATED BALANCE SHEET COMPONENTS Supplemental Balance Sheet Disclosures [Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Awards Expected To Vest, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Awards Expected To Vest, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Awards Expected To Vest, Percentage UK UNITED KINGDOM Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Property, equipment, and software estimated useful lives Property, Equipment, and Software Estimated Useful Lives Property, Equipment, and Software Estimated Useful Lives Revenue from Contract with Customer [Abstract] Short-term lease cost Short-Term Lease, Cost Operating lease liability noncurrent statement of financial position extensible list Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Schedule of Activity Related to the Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Stock-based compensation expense Segment Share Based Compensation Segment share based compensation. Document Type Document Type Unvested beginning balance (in shares) Unvested ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number NET LOSS PER SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Variable lease cost Variable Lease, Cost Revenue Revenue from Contract with Customer, Excluding Assessed Tax Cliff vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period All Individuals All Individuals [Member] Schedule of Capitalization of Content Assets and Amortization Expense for Intangible Assets Schedule Of Capitalization Of Content Assets And Amortization Expense For Intangible Assets [Table Text Block] Schedule Of Capitalization Of Content Assets And Amortization Expense For Intangible Assets Software and Website Development Software And Website Development [Member] Software And Website Development Name Forgone Recovery, Individual Name Share based compensation, expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] 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] Partnership income Effective Income Tax Rate Reconciliation, Partnership Income, Percent Effective Income Tax Rate Reconciliation, Partnership Income, Percent Stock repurchase program authorized amount Share Repurchase Program, Authorized, Amount Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Percent of the lower of the market price for Purchase shares of common stock Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Aggregate intrinsic value of employee options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Payments for tax withholding on vesting of restricted stock units Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Award performance targets, (percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Targets, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Targets, Percentage Net loss Net Income (Loss) Available to Common Stockholders, Basic Partnership income Effective Income Tax Rate Reconciliation, Partnership Income, Amount Effective Income Tax Rate Reconciliation, Partnership Income, Amount Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule Of Finite Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Current liabilities: Liabilities, Current [Abstract] Enterprise Enterprise Segment [Member] Enterprise segment member. Research and development credits Research and development tax credits carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Geographical Geographical [Axis] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Asia Pacific Asia Pacific [Member] Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Net loss per share—diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Schedule of Depreciation and Amortization Expense Schedule Of Depreciation And Amortization Expense [Table Text Block] Schedule Of Depreciation And Amortization Expense Title of 12(b) Security Title of 12(b) Security Capitalized internal-use software costs Payments To Capitalized Internal Use Software Costs Payments to capitalized internal use software costs. GILTI Effective Income Tax Rate Reconciliation, GILTI, Percent Acquired Intangibles Acquired Intangibles [Member] Acquired intangibles member. PSUs outstanding Share Based Compensation Arrangement By Share Based Payment Award PSUs Outstanding Share Based Compensation Arrangement By Share Based Payment Award PSUs Outstanding Treasury stock (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Earnings Per Share [Abstract] Earnings Per Share [Abstract] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Consolidation Items [Domain] Consolidation Items [Domain] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Auditor Location Auditor Location Gross profit Gross Profit 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] Amortization Amortization of Deferred Sales Commissions Deferred revenue Increase (Decrease) in Contract with Customer, Liability Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Federal Domestic Tax Jurisdiction [Member] Internal Use Software Internal Use Software [Member] Internal use software member. Indefinite operating loss carryforwards Indefinite Operating Loss Carryforwards Indefinite operating loss carryforwards. Chief Financial Officer Chief Financial Officer [Member] Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee stock purchase plan. Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Cash paid for income taxes, net of refunds Cash paid for income taxes, net of refunds Income Taxes Paid, Net Repurchases of common stock (in shares) Treasury Stock, Shares, Acquired Weighted-average exercise price, exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Award Timing Disclosures [Line Items] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Weighted-average exercise price, granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Accrued compensation and benefits Employee-related Liabilities, Current Total lease payments Lessee, Operating Lease, Liability, to be Paid Change in unrealized (loss) gain on marketable securities, net of tax Change in unrealized gain (loss) on marketable securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax STOCKHOLDERS’ EQUITY (DEFICIT) Equity [Text Block] Net loss Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Schedule of Reconciliation Between the Statutory U.S. Federal Income Tax Rate and our Effective Tax Rate as a Percentage of Loss Before Income Taxes Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Accruals and reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Other adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Property, equipment, and software, net Property, equipment, and software, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Restructuring related charges Restructuring Charges Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Payments for repurchases of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Reclassification, Comparability Adjustment Reclassification, Comparability Adjustment [Policy Text Block] Deferred commissions Deferred Tax Liabilities, Deferred Commissions Amount of deferred tax liability attributable to taxable temporary differences from Deferred Commissions. Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Accounts receivable, net Contract with Customer, Asset, after Allowance for Credit Loss Restructuring Cost [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Capitalization Commissions And Related Payroll Tax Expenditures Commissions and related payroll tax expenditures. Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loss from operations Operating Income (Loss) Stock-Based Compensation Expense Compensation Related Costs, Policy [Policy Text Block] Accumulated deficit Retained Earnings (Accumulated Deficit) U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 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] Executive Category: Executive Category [Axis] Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent State and local income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Modification charge Share-Based Payment Arrangement, Plan Modification, Incremental Cost Current Fiscal Year End Date Current Fiscal Year End Date Employees percentage of eligible compensation may elect to contribute Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Other Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount 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] Shares available for future grants Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Table] Statement [Table] Other income (expense), net Other Nonoperating Income (Expense) India INDIA Total deferred Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Property, Equipment and Software Property Equipment And Software [Member] Property equipment and software. Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Weighted average grant-date fair value of stock options granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] All other foreign Foreign Tax Jurisdiction, Other [Member] Proceeds from maturities of marketable securities Proceeds from Sale and Maturity of Marketable Securities Peru PERU BASIS OF PRESENTATION AND DESCRIPTION OF BUSINESS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Unrecognized tax benefits Gross unrecognized tax benefits—beginning of period Gross unrecognized tax benefits—end of period Unrecognized Tax Benefits Segment gross profit margin Segment gross profit margin Segment gross profit margin Antidilutive securities excluded from computation of dilutive earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Base erosion payment waived Effective Income Tax Rate Reconciliation, Nondeductible Expense, Base Erosion Payment Waived, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Base Erosion Payment Waived, Percent Amendment Flag Amendment Flag Income tax benefits recognized Share-Based Payment Arrangement, Expense, Tax Benefit Segment gross profit Gross Profit [Abstract] Internal-use software and website development Software Development [Member] LEASES Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Audit Information [Abstract] Audit Information [Abstract] 2021 Employee Stock Purchase Plan Two Thousand Twenty One Employee Stock Purchase Plan [Member] Two thousand twenty one employee stock purchase plan member. Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Restricted Stock Units and Share-Based Payment Arrangement, Option Restricted Stock Units and Share-Based Payment Arrangement, Option [Member] Restricted Stock Units and Share-Based Payment Arrangement, Option Share-Based Payment Arrangement, Tranche Three Share-Based Payment Arrangement, Tranche Three [Member] Weighted-average operating lease discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Stock Option Activity under the Plans Share-Based Payment Arrangement, Option, Activity [Table Text Block] SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Weighted average shares used in computing net loss per share—basic (in shares) Weighted-average shares used in computing net loss per share—basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Basic and Diluted Net Loss Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Loss contingency receivable Loss Contingency, Receivable Related Party Transaction Related Party Transaction [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Capitalized Contract Cost, Impairment Loss Capitalized Contract Cost, Impairment Loss Cost of revenue Cost of revenue Cost of Revenue Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Segment gross profit Total Reconciliation Item Of Segment Gross Profit To Gross Profit Total reconciliation item of segment gross profit to gross profit. Entity Tax Identification Number Entity Tax Identification Number Weighted-average exercise price, beginning balance (in dollars per share) Weighted-average exercise price, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Content liabilities Accounts Payable, Trade, Current Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Depreciation and amortization Deferred Tax Liabilities, Depreciation and Amortization Amount of deferred tax liability attributable to taxable temporary differences from depreciation and amortization. Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted-average remaining operating lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Contracts Receivable [Abstract] Contracts Receivable [Abstract] Number of shares, granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of Estimates Use of Estimates, Policy [Policy Text Block] Entity Public Float Entity Public Float Settlement agreement amount Litigation Settlement, Amount Awarded to Other Party Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Number of Units Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Foreign Income Tax Paid, Foreign, after Refund Received Other Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent [Abstract] Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Capital Expenditures Incurred but Not yet Paid Capital Expenditures Incurred but Not yet Paid Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Increases related to tax positions taken during current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Number of shares, repurchased (in shares) Stock Repurchased During Period, Shares Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Time-Based Stock Options Time-Based Stock Options [Member] Time-Based Stock Options Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Content Sourcing Agreement Content Sourcing Agreement [Member] Content sourcing agreement member. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Consumer Consumer Segment [Member] Consumer segment member. Schedule of Share-based Compensation, Restricted Stock Units Award Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Fair Value - Level 1 Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Subsidiary Sale Of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Net increase 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