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Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Customer deposit liabilities Deposit Liability, Current (Gains) losses on strategic investments, net Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities And Other Liabilities Current Accrued liabilities and other liabilities current. 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Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Cost of revenue Cost of Sales [Member] Cash payments Payments for Restructuring Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Adoption Date Trading Arrangement Adoption Date Less: accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Schedule of Financial Instruments Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Weighted average exercise price, exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule of Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Entity Central Index Key Entity Central Index Key Loss contingency accrual Loss Contingency Accrual Total stock-based compensation expense Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Provision for income taxes Income Tax Expense (Benefit) Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Fair Value Measurements Fair Value Disclosures [Text Block] Other Related Expenses Other Other Restructuring [Member] Name Trading Arrangement, Individual Name Shane Crehan [Member] Shane Crehan Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Disaggregation of Revenue by Region Disaggregation of Revenue [Table Text Block] Payments for legal settlements Payments for Legal Settlements Deferred contract acquisition costs, noncurrent Capitalized Contract Cost, Net, Noncurrent Other receivables Other Receivables, Net, Current Revenue Revenue from Contract with Customer, Excluding Assessed Tax Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Schedule of Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets [Table Text Block] Prepaid Expenses and Other Current Assets Amendment Flag Amendment Flag Money market funds Money Market Funds [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash paid for acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Financial Assets: Assets, Fair Value Disclosure [Abstract] Less than one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Stock repurchased and retired during period (in shares) Stock Repurchased and Retired During Period, Shares Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Leasehold improvements Leasehold Improvements [Member] Unrealized foreign exchange losses Unrealized Gain (Loss), Foreign Currency Transaction, after Tax Sales and marketing Selling and Marketing Expense [Member] Diluted (in shares) Weighted-average shares used in computing net income per share attributable to common stockholders, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Software Software Development [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Intangible assets, other than goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Sales and other non-income tax liabilities Sales And Other Tax Liabilities Current Sales and other tax liabilities current. Available-for-sale, realized gain (loss) Debt Securities, Available-for-Sale, Realized Gain (Loss) Schedule of Other Liabilities, Noncurrent Other Noncurrent Liabilities [Table Text Block] Total equity securities Equity Securities, Alternative Investment And Equity Method Method Investments, Fair Value Disclosure Equity Securities, Alternative Investment And Equity Method Method Investments, Fair Value Disclosure Other income (expense), net Interest Income (Expense), Nonoperating, Net Operating expenses: Operating Expenses [Abstract] Revenue Recognition Revenue from Contract with Customer [Text Block] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Additional paid-in capital Additional Paid in Capital, Common Stock Additional Paid-In Capital Additional Paid-in Capital [Member] Proceeds from strategic investments Proceeds from Sale of Equity Securities, FV-NI Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Purchase rights committed under the ESPP Purchase Rights Committed under the ESPP [Member] Purchase Rights Committed under the ESPP Cover [Abstract] Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Servers Servers [Member] Servers Fair Value, Recurring Basis Fair Value, Recurring [Member] Restructuring and Related Activities [Abstract] Other liabilities, noncurrent Other liabilities, noncurrent Other Liabilities, Noncurrent 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 Non-NEOs Non-NEOs [Member] Cancelled/forfeited/expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Total operating expenses Operating Expenses Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Sales and other non-income tax liabilities Sales And Other Tax Liabilities Non Current Sales and other tax liabilities non current. Amortization of deferred contract acquisition costs Amortization of Acquisition Costs Non-PEO NEO Non-PEO NEO [Member] Equity Component Equity Component [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Billing Status, Type Billing Status, Type [Axis] Basic (in shares) Weighted-average shares used in computing net income per share attributable to common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Income from operations Operating Income (Loss) Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Less: allowance for returns Accounts Receivables, Allowance for Returns Accounts Receivables, Allowance for Returns Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Weighted- Average Remaining Contractual Life (Years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer Relationships Customer Relationships [Member] Schedule of Marketable Securities Debt Securities, Available-for-Sale [Table Text Block] Type of Restructuring [Domain] Type of Restructuring [Domain]