Income Tax Disclosure [Abstract] U.S. tax reform impact Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount U.S. federal income tax at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount Effect of foreign operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Transfer pricing adjustments Effective Income Tax Rate Reconciliation, Nondeductible Expenses, Transfer Pricing Adjustments Effective Income Tax Rate Reconciliation, Nondeductible Expenses, Transfer Pricing Adjustments Intangible asset migration Effective Income Tax Rate Reconciliation, Intangible Asset Migration, Amount Effective Income Tax Rate Reconciliation, Intangible Asset Migration, Amount Non-deductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense Excluding Share-based Compensation Cost, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense Excluding Share-based Compensation Cost, Amount State income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Warrant revaluation Effective Income Tax Rate Reconciliation, Fair Value Adjustment of Warrants Effective Income Tax Rate Reconciliation, Fair Value Adjustment of Warrants Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Total Income Tax Expense (Benefit) Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Netsil Inc. Netsil Inc. [Member] Netsil Inc. [Member] Minjar, Inc. Minjar, Inc. [Member] Minjar, Inc. [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning Balance Goodwill Goodwill acquired Goodwill, Acquired During Period Other Goodwill, Other Increase (Decrease) Ending Balance Accounting Policies [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Hardware Hardware [Member] Hardware [Member] Software Software [Member] Software [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Impairment losses Asset Impairment Charges Warranty duration, hardware (in years) Product Warranty Duration Product Warranty Duration Product warranty replacement period (in years) Product Warranty Replacement Period Product Warranty Replacement Period Foreign currency transaction gain (loss), before tax Foreign Currency Transaction Gain (Loss), before Tax Advertising expense Advertising Expense Right-of-use asset Operating Lease, Right-of-Use Asset Operating lease liability Operating Lease, Liability Lease commitment, not yet commenced Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount Business Combinations [Abstract] Number of Businesses Acquired Number of Businesses Acquired Commitments and Contingencies Disclosure [Abstract] Schedule of Future Minimum Payments Due Under Operating Leases Lessee, Operating Lease, Disclosure [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Developed technology Technology-Based Intangible Assets [Member] Customer relationships Customer Relationships [Member] Trade Names Trade Names [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite-lived intangible assets: Finite-Lived Intangible Assets, Gross [Abstract] Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Total intangible assets, gross Intangible Assets, Gross (Excluding Goodwill) Less: Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Finite-lived Intangible Assets [Roll Forward] Finite-lived Intangible Assets [Roll Forward] Intangible assets, net—beginning balance Intangible assets acquired Finite-lived Intangible Assets Acquired Amortization of intangible assets Amortization of Intangible Assets Intangible assets, net—ending balance Equity [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Class A Common Class A [Member] Common Class B Common Class B [Member] Employee stock purchase plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Convertible preferred stock warrants Common Stock Warrants [Member] Common Stock Warrants [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] RSUs Restricted Stock Units (RSUs) [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2016 Plan 2016 Plan [Member] 2016 Plan [Member] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Common Class B Warrant Common Class B Warrant [Member] Common Class B Warrant [Member] Class of Stock [Line Items] Class of Stock [Line Items] Common stock, number of classes of stock Common Stock, Number of Classes of Stock Common Stock, Number of Classes of Stock Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Common stock number of votes per share Common Stock, Number of Votes Per Share Common Stock, Number of Votes Per Share Number of shares available for grant (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Options outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number RSUs outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Warrants or issued (in shares) Class of Warrant or Right, Outstanding Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Partner Concentration Risk Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue Revenue Benchmark [Member] Accounts Receivable Accounts Receivable [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Partner A Partner A [Member] Partner A [Member] Partner B Partner B [Member] Partner B [Member] Partner C Partner C [Member] Partner C [Member] Partner D Partner D [Member] Partner D [Member] Partner E Partner E [Member] Partner E [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration risk percentage Concentration Risk, Percentage Revenue from Contract with Customer [Abstract] REVENUE, DEFERRED REVENUE AND DEFERRED COMMISSIONS Revenue from Contract with Customer [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Employee-related Liabilities, Current [Abstract] Employee-related Liabilities, Current [Abstract] Accrued commissions Accrued Sales Commission, Current Contributions to ESPP withheld Accrued Employee Benefits, Current Accrued vacation Accrued Vacation, Current Accrued bonus Accrued Bonuses, Current Payroll taxes payable Accrued Payroll Taxes, Current Other Other Employee-related Liabilities, Current Total accrued compensation and benefits Employee-related Liabilities, Current Share-based Payment Arrangement [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Consideration transferred Business Combination, Consideration Transferred Cash payment to acquire business Payments to Acquire Businesses, Gross Business acquisition equity issued (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Equity interests issued and issuable (in shares) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Share price (in dollars per share) Business Acquisition, Share Price Deferred payment arrangement, number of shares (in shares) Business Combination, Deferred Payment Arrangement, Number of Shares Business Combination, Deferred Payment Arrangement, Number of Shares recognized as stock-based compensation expense over the required service period. Holdback arrangement, amount Business Combination, Deferred Payment Arrangement, Amount Business Combination, Deferred Payment Arrangement, Amount, Amount recognized as compensation over the required service period. Holdback arrangement, service period Business Combination, Holdback Arrangement, Service Period Business Combination, Holdback Arrangement, Service Period Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Finite-lived intangible assets, gross Estimated Life (in years) Finite-Lived Intangible Asset, Useful Life Deferred tax liabilities noncurrent Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Acquisition related costs Business Combination, Acquisition Related Costs Condensed Financial Information Disclosure [Abstract] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Product Product [Member] Support, entitlements and other services Service [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of product revenue Cost of product revenue [Member] Cost of product revenue [Member] Cost of revenue, support and other services Cost of Services [Member] Cost of Services [Member] Sales and marketing Selling and Marketing Expense [Member] Research and development Research and Development Expense [Member] General and administrative General and Administrative Expense [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Total cost of revenue Cost of Goods and Services Sold Gross profit Gross Profit Sales and marketing Selling and Marketing Expense Research and development Research and Development Expense General and administrative General and Administrative Expense Total operating expenses Operating Expenses Loss from operations Operating Income (Loss) Other expense, net Nonoperating Income (Expense) Loss before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Provision for income taxes Net loss Net Income (Loss) Attributable to Parent Net income (loss) per share attributable to common stockholders—basic and diluted (in dollars per share) Earnings Per Share, Basic and Diluted Total stock-based compensation expense Share-based Payment Arrangement, Expense Amortization of intangible assets COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Allowance for accounts receivable, beginning balance Accounts Receivable, Allowance for Credit Loss, Current Charged to allowance for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Recoveries Accounts Receivable, Allowance for Credit Loss, Recovery Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Allowance for doubtful accounts—ending balance Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Outstanding, beginning balance (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Released (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Canceled/forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations Outstanding, ending balance (in shares) Grant Date Fair Value per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding (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 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 Released (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 Canceled/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 Statement of Comprehensive Income [Abstract] Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Change in unrealized (loss) gain on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Fair Value Disclosures [Abstract] Schedule of Financial Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of Changes in Fair Value of Convertible Preferred Stock Warrant Liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Cover page. Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Principal Owner Principal Owner [Member] Employee Stock Option Share-based Payment Arrangement, Option [Member] Incentive Stock Option Incentive Stock Option [Member] Incentive Stock Option [Member] Non-qualified Stock Option Non-qualified Stock Option [Member] Non-qualified Stock Option [Member] Early Exercised Stock Options Early Exercised Stock Options [Member] Early Exercised Stock Options [Member] Employee Stock Employee Stock [Member] Employee Stock Options Excluding Performance Stock Options Employee Stock Options Excluding Performance Stock Options [Member] Employee Stock Options Excluding Performance Stock Options [Member] Market Stock Units Market Stock Units [Member] Market Stock Units [Member] Number of equity incentive plans Number of Equity Incentive Plans Number of Equity Incentive Plans Award vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Expiration period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Exercise price, percent of estimated fair value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price, Percent of Estimated Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price, Percent of Estimated Fair Value Annual increase (in shares) Common Stock, Capital Shares Reserved for Future Issuance, Annual Increase Common Stock, Capital Shares Reserved for Future Issuance, Annual Increase Annual increase, percent of outstanding shares Common Stock, Capital Shares Reserved for Future Issuance, Annual Increase, Percent of Outstanding Shares Common Stock, Capital Shares Reserved for Future Issuance, Annual Increase, Percent of Outstanding Shares Number of additional shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Percent of eligible compensation (up to) Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate Monetary cap Share-based Compensation Arrangement by Share-based Payment Award, Monetary Cap Share-based Compensation Arrangement by Share-based Payment Award, Monetary Cap Share cap (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee Offering period duration (in months) Share-based Compensation Arrangement by Share-based Payment Award, Offering Period Duration Share-based Compensation Arrangement by Share-based Payment Award, Offering Period Duration Number of six-month purchase periods Share-based Compensation Arrangement by Share-based Payment Award, Number of Six Month Purchase Periods Share-based Compensation Arrangement by Share-based Payment Award, Number of Six Month Purchase Periods Purchase price of common stock, percent Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Compensation not yet recognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Period for recognition (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Vested, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Vested, Number Nonvested shares (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Unvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Unvested, Number Grants in period, weighted average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Exercises in period, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Proceeds from stock options exercised Proceeds from Stock Options Exercised Options vested in period, fair value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Early exercised options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Issuance of common stock upon exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Expected Dividend Issuance of common stock from ESPP purchase (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Proceeds from sales of shares through employee equity incentive plans, net of repurchases Proceeds from Stock Plans Instruments outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Other tax assets—non-current Other Tax Assets, Non-Current Other Tax Assets, Non-Current Deferred tax assets—non-current Deferred Tax Asset, Excluding Netting Amount Deferred Tax Asset, Excluding Netting Amount Other Other Assets, Miscellaneous, Noncurrent Total other assets—non-current Other Assets, Noncurrent Income taxes receivable Income Taxes Receivable 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total Finite-Lived Intangible Assets, Net Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Subscription and Circulation Subscription and Circulation [Member] Professional Services Professional Services [Member] Professional Services [Member] Software license term Software, License Term Software, License Term Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Weighted Average Weighted Average [Member] Subscription and Circulation, Software Entitlement and Support Subscription Subscription and Circulation, Software Entitlement and Support Subscription [Member] Subscription and Circulation, Software Entitlement and Support Subscription [Member] Subscription and Circulation, Software Term-based Licenses Subscription and Circulation, Software Term-based Licenses [Member] Subscription and Circulation, Software Term-based Licenses [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Amount deferred in prior period Deferred Revenue, Revenue Recognized, Amount Deferred in Prior Period Deferred Revenue, Revenue Recognized, Amount Deferred in Prior Period Contracted revenue not recognized Deferred Revenue, Contracted Revenue Not Recognized Deferred Revenue, Contracted Revenue Not Recognized Percent expected to be recognized in next year Deferred Revenue, Contracted Revenue Not Recognized, Percent Expected to be Recognized in Next Year Deferred Revenue, Contracted Revenue Not Recognized, Percent Expected to be Recognized in Next Year Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Stock-based compensation Share-based Payment Arrangement, Noncash Expense Amortization of debt discount and issuance cost Amortization of Debt Issuance Costs and Discounts Change in fair value of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Change in fair value of convertible preferred stock warrant liability Fair Value Adjustment of Warrants Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Other Other Noncash Income (Expense) Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Deferred commissions Increase (Decrease) in Deferred Charges Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities Deferred revenue Increase (Decrease) in Contract with Customer, Liability Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of investments Payments to Acquire Debt Securities, Available-for-sale Maturities of investments Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Sales of investments Proceeds from Sale, Maturity and Collection of Investments Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Payments for business combinations, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Payment of contingent consideration associated with a business acquisition Payment for Contingent Consideration Liability, Financing Activities Payment of debt in conjunction with business combinations Repayments of Assumed Debt Proceeds from issuance of convertible senior notes, net Proceeds from Convertible Debt Payments for convertible note hedges Payments for Hedge, Financing Activities Proceeds from issuance of warrants Proceeds from Issuance of Warrants Payments of offering costs Payments of Stock Issuance Costs Proceeds from initial public offering, net of underwriting discounts and commissions Proceeds from Issuance Initial Public Offering Repayment of senior notes Repayments of Senior Debt Debt extinguishment costs Payment for Debt Extinguishment or Debt Prepayment Cost Other Proceeds from (Payments for) Other Financing Activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents and restricted cash—beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash—end of period Restricted cash Restricted Cash Cash and cash equivalents—end of period Cash and Cash Equivalents, at Carrying Value Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for income taxes Income Taxes Paid, Net Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Supplemental disclosures of non-cash investing and financing information: Noncash Investing and Financing Items [Abstract] Issuance of common stock for business combinations Stock Issued Purchases of property and equipment included in accounts payable and accrued liabilities Capital Expenditures Incurred but Not yet Paid Vesting of early exercised stock options Noncash Vesting of Early Exercised Stock Options Noncash Vesting of Early Exercised Stock Options Offering costs included in accounts payable Deferred Offering Costs Incurred but Not yet Paid Deferred Offering Costs Incurred but Not yet Paid Conversion of convertible preferred stock to common stock, net of issuance costs Conversion of Stock, Amount Issued Reclassification of convertible preferred stock warrant liability to additional paid-in capital Noncash or Part Noncash Reclassification of Liability to Equity Noncash or Part Noncash Reclassification of Liability to Equity BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Accumulated Deficit Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Convertible Preferred Stock Increase (Decrease) in Temporary Equity [Roll Forward] Temporary equity, shares outstanding, beginning balance (in shares) Temporary Equity, Shares Outstanding Temporary equity, beginning balance Temporary Equity, Carrying Amount, Attributable to Parent Temporary equity, conversion of convertible preferred stock to common stock upon IPO (in shares) Reclassifications of Temporary to Permanent Equity, Shares Reclassifications of Temporary to Permanent Equity, Shares Temporary equity, conversion of convertible preferred stock to common stock upon IPO Reclassifications of Temporary to Permanent Equity Temporary equity, shares outstanding, ending balance (in shares) Temporary equity, ending balance Increase (Decrease) in Stockholders' Deficit Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding, beginning balance (in shares) Stockholders' (deficit) equity, beginning balance Stockholders' Equity Attributable to Parent Conversion of convertible preferred stock to common stock upon initial public (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Conversion of convertible preferred stock to common stock upon IPO Stock Issued During Period, Value, Conversion of Convertible Securities Issuance of class A common stock upon IPO, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Issuance of class A common stock upon IPO, net of issuance costs Stock Issued During Period, Value, New Issues Reclassification of convertible preferred stock warrant liability to APIC upon IPO Adjustments to Additional Paid in Capital, Warrant Issued Issuance of common stock upon exercise of common stock warrants (in shares) Stock Issued During Period, Shares, Exercise of Warrants Stock Issued During Period, Shares, Exercise of Warrants Issuance of common stock upon exercise of common stock warrants Stock Issued During Period, Value, Exercise of Warrants Stock Issued During Period, Value, Exercise of Warrants Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Issuance of common stock for stock awards, net of repurchases (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Issuance of common stock through employee equity incentive plans, net of repurchases Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Issuance of common stock from ESPP purchase Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock for acquisitions (in shares) Stock Issued During Period, Shares, Acquisitions Issuance of common stock in connection with business combinations Stock Issued During Period, Value, Acquisitions Vesting of early exercised stock options Adjustments to Additional Paid in Capital, Vesting of Early Exercised Stock Options Adjustments to Additional Paid in Capital, Vesting of Early Exercised Stock Options Cumulative effect adjustment from adoption of ASU 2016-09 Cumulative Effect of New Accounting Principle in Period of Adoption Equity component of convertible senior notes, net Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Purchase of bond hedges related to the convertible senior notes Adjustments to Additional Paid in Capital, Purchase of Bond Hedges Adjustments to Additional Paid in Capital, Purchase of Bond Hedges Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Common stock, shares outstanding, ending balance (in shares) Stockholders' (deficit) equity, ending balance Segment Reporting [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] U.S. UNITED STATES Asia-Pacific Asia Pacific [Member] Europe, the Middle East and Africa EMEA [Member] Other Americas Other Americas [Member] Other Americas [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Number of reportable segments Number of Reportable Segments Long-lived assets Long-Lived Assets Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Debt Schedule of Debt [Table Text Block] Interest Income and Interest Expense Disclosure Interest Income and Interest Expense Disclosure [Table Text Block] Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Net operating loss carryforward Deferred Tax Assets, Operating Loss Carryforwards Tax credit carryforward Deferred Tax Assets, Tax Credit Carryforwards Deferred revenue Deferred Tax Assets, Deferred Income Intangible assets Deferred Tax Assets, Goodwill and Intangible Assets Stock-based compensation expense Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Other assets Deferred Tax Assets, Other Accruals and reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Total deferred tax assets Deferred Tax Assets, Gross Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Deferred commission expense Deferred Tax Liabilities, Deferred Expense Acquisition-related Deferred Tax Liabilities, Goodwill and Intangible Assets Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Foreign branch taxes Deferred Tax Liabilities, Foreign Branch Taxes Deferred Tax Liabilities, Foreign Branch Taxes Prepaid expenses Deferred Tax Liabilities, Prepaid Expenses Other Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Net deferred tax assets Deferred Tax Assets, Net Condensed Financial Statements Condensed Financial Statements [Table Text Block] Schedule of RSUs Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of Employee Stock Purchase Plan, Valuation Assumptions Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of Stock Option Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Schedule Stock Option Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Beginning balance (in shares) Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Options exercised (in shares) Options canceled/forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Ending balance (in shares) Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Vested and expected to vest (in shares) Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Options exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Options canceled/forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Ending balance (in dollars per share) Exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Vested and expected to vest (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Additional Disclosures Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Outstanding (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Vested and expected to vest (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Outstanding, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercisable, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Vested and expected to vest, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Lightspeed Venture Partners Lightspeed Venture Partners [Member] Lightspeed Venture Partners [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Lightspeed Venture Partners Affiliated Entity [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Nutanix, Inc. Nutanix, Inc. [Member] Nutanix, Inc. [Member] PernixData [Member] PernixData [Member] PernixData [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Ownership percentage by noncontrolling owners Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Computer, production, engineering and other equipment Equipment [Member] Demonstration units Demonstration Units [Member] Demonstration Units [Member] Leasehold improvements Leasehold Improvements [Member] Furniture and fixtures Furniture and Fixtures [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Property, Plant and Equipment Property, Plant and Equipment [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Estimated Useful Life (In months) Property, Plant and Equipment, Useful Life Total property and equipment—gross Property, Plant and Equipment, Gross Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property and equipment—net Property, Plant and Equipment, Net Schedules of Concentration of Revenue and Accounts Receivable Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Schedule of Allowance for Doubtful Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal Domestic Tax Authority [Member] State State and Local Jurisdiction [Member] Foreign Tax Authority Foreign Tax Authority [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] United States of America, Dollars United States of America, Dollars Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Research Credit Carryforwards Research Tax Credit Carryforward [Member] New Accounting Pronouncement, Early Adoption [Line Items] New Accounting Pronouncement, Early Adoption [Line Items] Federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Valuation allowance for deferred tax assets Valuation allowance increase Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Net operating loss carryforwards Operating Loss Carryforwards Research credit carryforwards Tax Credit Carryforward, Amount Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Cash and cash equivalents in foreign subsidiaries Cash and Cash Equivalents in Foreign Subsidiaries Cash and Cash Equivalents in Foreign Subsidiaries Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Schedule of Stock by Class Schedule of Stock by Class [Table Text Block] Earnings Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Outstanding stock options and RSUs Share-based Payment Arrangement [Member] Common stock subject to repurchase Common Stock Subject to Mandatory Redemption [Member] Contingently issuable shares pursuant to business combinations Continently Issuable Shares Pursuant to a Business Combination [Member] Continently Issuable Shares Pursuant to a Business Combination [Member] Common stock warrants Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Convertible Debt Convertible Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Face Amount Debt Instrument, Face Amount Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Convertible Debt Convertible Debt Debt Instrument, Convertible, Conversion Ratio Debt Instrument, Convertible, Conversion Ratio Debt Instrument, Convertible, Conversion Price Debt Instrument, Convertible, Conversion Price Payments for convertible note hedges Debt Instrument, Convertible, Threshold Trading Days Debt Instrument, Convertible, Threshold Trading Days Debt Instrument, Convertible, Threshold Consecutive Trading Days Debt Instrument, Convertible, Threshold Consecutive Trading Days Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Fair value of common stock (in dollars per share) Share Price Debt Instrument, Redemption Price, Percentage Debt Instrument, Redemption Price, Percentage Debt Instrument, Convertible, Carrying Amount of Liability Component Debt Instrument, Convertible, Carrying Amount of Liability Component Debt Instrument, Convertible, Carrying Amount of Liability Component Debt Instrument, Convertible, Carrying Amount of Equity Component Debt Instrument, Convertible, Carrying Amount of Equity Component Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Convertible Debt Issuance Cost Convertible Debt Issuance Cost Debt issuance costs incurred related to the convertible debt. It includes the amount of discount given to the initial purchasers' of the convertible debt. The total amount will be amortized over the term of the convertible debt. Debt Issuance Cost, Gross, Noncurrent Debt Issuance Cost, Gross, Noncurrent Debt Instrument, Convertible, Transaction Costs Attributable to Liability Component Debt Instrument, Convertible, Transaction Costs Attributable to Liability Component Debt Instrument, Convertible, Transaction Costs Attributable to Liability Component Debt Instrument, Convertible, Transaction Costs Attributable to Equity Component Debt Instrument, Convertible, Transaction Costs Attributable to Equity Component Debt Instrument, Convertible, Transaction Costs Attributable to Equity Component Remaining Term of Convertible Debt Remaining Term of Convertible Debt Remaining term of the Convertible Debt as of the balance sheet date. Class of Warrant or Right, Number of Securities Called by Warrants or Rights Class of Warrant or Right, Number of Securities Called by Warrants or Rights Exercise Price per Share (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Net Transaction Cost of the Note Hedges and Warrants Net Transaction Cost of the Note Hedges and Warrants Net transaction cost of the Note Hedges and Warrants. Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Share Price Threshold for Dilutive Effect of Convertible Debt Share Price Threshold for Dilutive Effect of Convertible Debt Share Price Threshold for Dilutive Effect of Convertible Debt Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants, $10 Increase in Share Price Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants, $10 Increase in Share Price Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants, $10 Increase in Share Price Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Share Price Threshold for Dilutive Effect of Warrants Share Price Threshold for Dilutive Effect of Warrants Share Price Threshold for Dilutive Effect of Warrants Schedule of Basic and Diluted Net Loss Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] 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] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liability Class [Axis] Liability Class [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Warrant Warrant [Member] Commitments Commitments [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Contingent consideration—beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Payment Convertible preferred stock warrant liability—beginning balance Current: Current Federal, State and Local, Tax Expense (Benefit) [Abstract] U.S. federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current taxes Current Income Tax Expense (Benefit) Deferred: Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] U.S. federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred taxes Deferred Income Tax Expense (Benefit) Prepaid operating expenses Prepaid Operating Expense Prepaid Operating Expense Prepaid income taxes Prepaid Taxes VAT receivables VAT Receivables VAT Receivables Other current assets Other Assets, Current Total prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Schedule of Income before Income Tax, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Weighted-average shares—basic and diluted (in shares) Weighted Average Number of Shares Outstanding, Basic and Diluted Net loss per share attributable to common stockholders—basic and diluted (in dollars per share) Income taxes payable Accrued Income Taxes, Current Accrued professional services Accrued Professional Fees, Current Other Other Accrued Liabilities, Current Total accrued expenses and other current liabilities Accrued Liabilities, Current Income taxes paid Income Taxes Paid Schedule of Investments in Marketable Debt Securities, by Contractual Maturity Date Investments Classified by Contractual Maturity Date [Table Text Block] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Other Assets, Noncurrent Schedule of Other Assets, Noncurrent [Table Text Block] Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Concentration Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Cash, Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Short-Term Investments Marketable Securities, Policy [Policy Text Block] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts Accounts Receivable [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Business Combination Business Combination [Policy Text Block] Business Combination (Policy Text Block) Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Warranties Guarantees, Indemnifications and Warranties Policies [Policy Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Advertising Costs Advertising Cost [Policy Text Block] Recently Issued and Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] BUSINESS COMBINATIONS Business Combination Disclosure [Text Block] Liabilities incurred Business Combination, Consideration Transferred, Liabilities Incurred Contingent consideration, liability Business Combination, Contingent Consideration, Liability Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract] Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract] Due within one year Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Due in one to two years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Three, Fair Value Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Three, Fair Value Total Debt Securities, Available-for-sale, Current Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Reported Value Measurement Reported Value Measurement [Member] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value, Measurements, Nonrecurring Fair Value, Nonrecurring [Member] 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] Debt Instrument, Fair Value Disclosure Debt Instrument, Fair Value Disclosure Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Unamortized Debt Issuance Expense Unamortized Debt Issuance Expense Deferred Revenue Movement in Deferred Revenue [Roll Forward] Beginning balance Deferred Revenue Additions Deferred Revenue, Additions Revenue/commissions recognized Deferred Revenue, Revenue Recognized Assumed in a business combination Deferred Revenue, Assumed in Business Combination Deferred Revenue, Assumed in Business Combination Ending balance Deferred Commissions Movement in Deferred Commissions [Roll Forward] Movement in Deferred Commissions [Roll Forward] Beginning balance Deferred Sales Commission Additions Deferred Sales Commissions, Additions Deferred Sales Commissions, Additions Revenue/commissions recognized Deferred Sales Commissions, Commissions Recognized Deferred Sales Commissions, Commissions Recognized Assumed in a business combination Deferred Sales Commissions, Assumed in Business Combination Deferred Sales Commissions, Assumed in Business Combination Ending balance INCOME TAXES Income Tax Disclosure [Text Block] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2020 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2021 Operating Leases, Future Minimum Payments, Due in Two Years 2022 Operating Leases, Future Minimum Payments, Due in Three Years 2023 Operating Leases, Future Minimum Payments, Due in Four Years 2024 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Operating leases, rent expense Operating Leases, Rent Expense Loss Contingencies [Table] Loss Contingencies [Table] Non-contract Vendors Non-contract Vendors [Member] Non-contract Vendors [Member] Contract Manufacturer Contract Manufacturer [Member] Contract Manufacturer [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Purchase obligation Unrecorded Unconditional Purchase Obligation Mainframe2, Inc. Mainframe2, Inc. [Member] Mainframe2, Inc. [Member] Deferred payment arrangement, amount paid in cash Business Combination, Deferred Payment Arrangement, Amount Paid in Cash Business Combination, Deferred Payment Arrangement, Amount Paid in Cash Deferred payment arrangement, amount paid in shares (in shares) Business Combination, Deferred Payment Arrangement, Amount Paid in Shares Business Combination, Deferred Payment Arrangement, Amount Paid in Shares Payment term Business Combination, Deferred Payment Arrangement, Payment Term Business Combination, Deferred Payment Arrangement, Payment Term Convertible Debt Par Amount Convertible Debt Par Amount Face (par) amount of debt instrument at time of issuance. Convertible Debt Issuance Cost Debt Issuance Cost, Gross, Noncurrent Proceeds from Debt, Net of Issuance Costs Proceeds from Debt, Net of Issuance Costs Income Statement [Abstract] Revenue: Revenues [Abstract] Cost of revenue: Cost of Goods and Services Sold [Abstract] Operating expenses: Operating Expenses [Abstract] Net loss Weighted-average shares used in computing net income (loss) per share attributable to common stockholders—basic and diluted (in shares) Recurring Fair Value, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level I Fair Value, Inputs, Level 1 [Member] Level II Fair Value, Inputs, Level 2 [Member] Level III Fair Value, Inputs, Level 3 [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Money market funds Money Market Funds [Member] Commercial paper Commercial Paper [Member] US government securities US Government Debt Securities [Member] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Corporate bonds Corporate Debt Securities [Member] Financial Assets: Assets, Fair Value Disclosure [Abstract] Cash equivalents: Cash and Cash Equivalents, Fair Value Disclosure Short-term investments: Total measured at fair value Investments, Fair Value Disclosure Cash Cash Total cash, cash equivalents and short-term investments Cash, Cash Equivalents, and Short-term Investments Financial Liabilities: Financial Liabilities Fair Value Disclosure [Abstract] Convertible preferred stock warrant liability Derivative Liability, Noncurrent Schedule of Revenue by Geographic Area Revenue from External Customers by Geographic Areas [Table Text Block] STOCKHOLDERS’ EQUITY Stockholders' Equity Note Disclosure [Text Block] DEBT Debt Disclosure [Text Block] Revenue by Arrangement, Disclosure Revenue by Arrangement, Disclosure [Table Text Block] Revenue by Arrangement, Disclosure [Table Text Block] Deferred Revenue, by Arrangement, Disclosure Deferred Revenue, by Arrangement, Disclosure [Table Text Block] BALANCE SHEET COMPONENTS Supplemental Balance Sheet Disclosures [Text Block] Amortization of Debt Discount (Premium) Amortization of Debt Discount (Premium) Amortization of Debt Issuance Costs Amortization of Debt Issuance Costs Interest Expense, Debt Interest Expense, Debt EQUITY AWARD PLANS Share-based Payment Arrangement [Text Block] Debt Instrument, Unamortized Discount Unamortized Debt Issuance Expense Convertible Debt, Noncurrent Convertible Debt, Noncurrent Debt Instrument, Convertible, Carrying Amount of Equity Component, Excluding Equity Issuance Costs Debt Instrument, Convertible, Carrying Amount of Equity Component, Excluding Equity Issuance Costs Debt Instrument, Convertible, Carrying Amount of Equity Component, Excluding Equity Issuance Costs Debt Instrument, Interest Rate, Effective Percentage Debt Instrument, Interest Rate, Effective Percentage SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Minjar and Netsil Minjar and Netsil [Member] Minjar and Netsil [Member] Goodwill Tangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Total consideration SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) Condensed Financial Statements [Text Block] Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Short-term investments Accounts receivable—net Accounts Receivable, after Allowance for Credit Loss, Current Deferred commissions—current Deferred commissions, current portion Carrying amounts as of the balance sheet date of deferred sales commissions at the end of the reporting period that are expected to be charged against earnings within one year or the normal operating cycle, if longer. Prepaid expenses and other current assets Total current assets Assets, Current Property and equipment, net Deferred commissions—non-current Deferred sales commissions, non-current Carrying amounts as of the balance sheet date of deferred sales commissions at the end of the reporting period that are expected to be charged against earnings beyond one year or the normal operating cycle, if longer. Intangible assets—net Other assets—non-current Total assets Assets Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued compensation and benefits Accrued expenses and other current liabilities Deferred revenue—current Contract with Customer, Liability, Current Total current liabilities Liabilities, Current Deferred revenue—non-current Contract with Customer, Liability, Noncurrent Convertible senior notes, net Convertible Notes Payable, Noncurrent Other liabilities—non-current Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 7) Commitments and Contingencies Stockholders’ (deficit) equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock Preferred Stock, Value, Outstanding Common stock Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] NET LOSS AND UNAUDITED NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS Earnings Per Share [Text Block] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Accounts receivable, allowance Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance, beginning balance Unrecognized Tax Benefits Increases related to current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Increases related to prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Decreases related to prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements with tax authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Balance, ending balance