Entity Central Index Key Reallocation of net income loss available to common stockholders basic. Document and Entity Information. Document And Entity Information [Abstract] Entities [Table] Entities [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Class A Common Stock Common Class A [Member] Class B Common Stock Common Class B [Member] Entity Information [Line Items] Entity Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Accrued liabilities and other liabilities current. Statement Of Financial Position [Abstract] Statement [Table] Statement [Table] Convertible Preferred Stock Convertible Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Marketable securities Available For Sale Securities Debt Securities Accounts receivable, net of allowances of $2,502 and $2,071 as of April 30, 2019 and January 31, 2019, respectively Accounts Receivable Net Current Deferred contract acquisition costs, current Capitalized Contract Cost Net Current Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Deferred contract acquisition costs, non-current Capitalized Contract Cost Net Noncurrent Property and equipment, net Property Plant And Equipment Net Operating lease right-of-use assets Operating Lease Right Of Use Asset Other assets, non-current Other Assets Noncurrent Total assets Assets Liabilities, convertible preferred stock, and stockholders’ equity (deficit) Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued expenses and other current liabilities Accrued Liabilities And Other Liabilities Current Deferred revenue, current Contract With Customer Liability Current Total current liabilities Liabilities Current Deferred revenue, non-current Contract With Customer Liability Noncurrent Operating lease liabilities, non-current Operating Lease Liability Noncurrent Other liabilities, non-current Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 7) Commitments And Contingencies Convertible preferred stock, $0.001 par value per share, zero and 158,104,540 shares authorized as of April 30, 2019 and January 31, 2019, respectively; zero and 152,665,804 shares issued and outstanding as of April 30, 2019 and January 31, 2019, respectively Temporary Equity Carrying Amount Attributable To Parent Stockholders’ equity (deficit): Stockholders Equity [Abstract] Preferred stock, $0.001 par value per share, 200,000,000 and zero shares authorized as of April 30, 2019 and January 31, 2019, respectively; zero shares issued and outstanding as of April 30, 2019 and January 31, 2019 Preferred Stock Value Common stock value Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders’ equity (deficit) Stockholders Equity Total liabilities, convertible preferred stock, and stockholders’ equity (deficit) Liabilities And Stockholders Equity Accounts receivable, net of allowances Allowance For Doubtful Accounts Receivable Current Temporary equity par value Temporary Equity Par Or Stated Value Per Share Temporary equity, shares authorized Temporary Equity Shares Authorized Temporary equity, shares issued Temporary Equity Shares Issued Temporary equity, shares outstanding Temporary Equity Shares Outstanding Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Revenue Revenue From Contract With Customer Excluding Assessed Tax Cost of revenue Cost Of Goods And Services Sold Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Research and development Research And Development Expense Sales and marketing Selling And Marketing Expense General and administrative General And Administrative Expense Total operating expenses Operating Expenses Income (loss) from operations Operating Income Loss Interest income, net Interest Income Expense Nonoperating Net Other income, net Other Nonoperating Income Expense Net income (loss) before provision for income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Provision for income taxes Income Tax Expense Benefit Net income (loss) Net Income Loss Undistributed earnings attributable to participating securities Undistributed Earnings Loss Allocated To Participating Securities Basic Net income (loss) attributable to common stockholders Net Income Loss Available To Common Stockholders Basic Net income (loss) per share attributable to common stockholders: Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted-average shares used in computing net income (loss) per share attributable to common stockholders: Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net income (loss) Other comprehensive loss: Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract] Unrealized gain (loss) on available for sale marketable securities, net of tax Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Comprehensive income (loss) Comprehensive Income Net Of Tax Temporary equity shares conversion of convertible preferred stock. Temporary equity value conversion of convertible preferred stock. Stock issued during period value conversion of convertible promissory notes and accrued interest to common stock upon initial public offering. Stock issued during period shares conversion of convertible promissory notes and accrued interest to common stock upon initial public offering. Stock issued durring the period, value, issuance of common stock upon exercise of stock options, net of repurchases. Stock issued durring the period, shares, issuance of common stock upon exercise of stock options, net of repurchases. Statement Of Stockholders Equity [Abstract] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income [Member] Accumulated Deficit Retained Earnings [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Initial public offering I P O [Member] Beginning balance Beginning balance (in shares) Beginning balance Beginning balance (in shares) Shares Outstanding Conversion of convertible preferred stock to common stock upon initial public offering Stock Issued During Period Value Conversion Of Convertible Securities Conversion of convertible preferred stock to common stock upon initial public offering (in shares) Temporary Equity Shares Conversion Of Convertible Preferred Stock Conversion of convertible preferred stock to common stock upon initial public offering Temporary Equity Value Conversion Of Convertible Preferred Stock Conversion of convertible preferred stock to common stock upon initial public offering (in shares) Stock Issued During Period Shares Conversion Of Convertible Securities Conversion of convertible promissory notes and accrued interest to common stock upon initial public offering Stock Issued During Period Value Conversion Of Convertible Promissory Notes And Accrued Interest To Common Stock Upon Initial Public Offering Conversion of convertible promissory notes and accrued interest to common stock upon initial public offering (in shares) Stock Issued During Period Shares Conversion Of Convertible Promissory Notes And Accrued Interest To Common Stock Upon Initial Public Offering Issuance of common stock upon initial public offering and private placement, net of underwriting discounts and commissions and other offering costs Stock Issued During Period Value New Issues Issuance of common stock upon initial public offering and private placement net of underwriting discounts and commissions and other offering costs (in shares) Stock Issued During Period Shares New Issues Issuance of common stock upon exercise of stock options, net of repurchases Stock Issued Durring Period Value Issuance Of Common Stock Upon Exercise Of Stock Options Net Of Repurchases Issuance of common stock upon exercise of stock options, net of repurchases (in shares) Stock Issued Durring Period Shares Issuance Of Common Stock Upon Exercise Of Stock Options Net Of Repurchases Issuance of common stock upon exercise of stock options Stock Issued During Period Value Stock Options Exercised Issuance of common stock upon exercise of stock options (in shares) Stock Issued During Period Shares Stock Options Exercised Stock-based compensation expense Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Other comprehensive income (loss) Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Ending balance Ending balance (in shares) Ending balance Ending balance (in shares) Amortization of right-of-use assets. Increase decrease in Deferred contract acquisition costs. Increase decrease in operating lease liabilities net. Proceeds from issuance initial public offering and private placement. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income (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 Amortization of deferred contract acquisition costs Amortization Of Acquisition Costs Amortization of operating lease right-of-use assets Operating Lease Right Of Use Asset Amortization Stock-based compensation expense Share Based Compensation Provision for accounts receivable allowances Provision For Doubtful Accounts Other Other Operating Activities Cash Flow Statement Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Prepaid expenses and other assets Increase Decrease In Prepaid Deferred Expense And Other Assets Deferred contract acquisition costs Increase Decrease In Deferred Contract Acquisition Costs Accounts payable Increase Decrease In Accounts Payable Accrued expenses and other liabilities Increase Decrease In Accrued Liabilities And Other Operating Liabilities Deferred revenue Increase Decrease In Contract With Customer Liability Operating lease liabilities, net Increase Decrease In Operating Lease Liabilities Net 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 marketable securities Payments To Acquire Marketable Securities Maturities of marketable securities Proceeds From Sale And Maturity Of Marketable Securities Purchases of property and equipment Payments To Acquire Property Plant And Equipment 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] Proceeds from initial public offering and private placement, net of underwriting discounts and commissions and other offering costs Proceeds From Issuance Initial Public Offering And Private Placement Proceeds from exercise of stock options, net of repurchases Proceeds From Stock Options Exercised Principal payments on capital lease obligations Repayments Of Long Term Capital Lease Obligations Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Net increase (decrease) in cash, cash equivalents, and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding 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 Reconciliation of cash, cash equivalents, and restricted cash within the condensed consolidated balance sheets to the amounts shown in the statements of cash flows above: Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract] Cash and cash equivalents Restricted cash, current included in prepaid expenses and other current assets Restricted Cash And Cash Equivalents At Carrying Value Restricted cash, non-current included in other assets, non-current Restricted Cash And Cash Equivalents Noncurrent Organization Consolidation And Presentation Of Financial Statements [Abstract] Summary of Business and Significant Accounting Policies Business Description And Accounting Policies [Text Block] Revenue From Contract With Customer [Abstract] Revenue Recognition Revenue From Contract With Customer [Text Block] Marketable securities available for sale disclosure. Marketable Securities [Abstract] Marketable Securities Marketable Securities Available For Sale Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Balance Sheet Components. Balance Sheet Components [Abstract] Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Convertible promissory notes. Debt Disclosure [Abstract] Convertible Promissory Notes Convertible Promissory Notes [Text Block] Leases [Abstract] Operating Leases Lessee Operating Leases [Text Block] Stockholders Equity Note [Abstract] Convertible Preferred Stock, Stockholders Equity (Deficit) and Equity Incentive Plan Shareholders Equity And Share Based Payments [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Net Income (Loss) Per Share Attributable to Common Stockholders Earnings Per Share [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Fiscal Year Fiscal Period Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Use of Estimates Use Of Estimates Leases Lessee Leases Policy [Text Block] Recently Adopted and Issued Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Summary Disaggregation of Revenue by Region Disaggregation Of Revenue Table [Text Block] Summary of Marketable Securities Debt Securities Available For Sale Table [Text Block] Summary of Contractual Maturities of Marketable Securities Investments Classified By Contractual Maturity Date Table [Text Block] 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] Summary of Changes in Fair Value of Financial Instruments Schedule Of Derivative Liabilities At Fair Value Table [Text Block] Schedule of Property and Equipment Property Plant And Equipment [Text Block] Accrued expenses and other current liabilities. Schedule of Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities Table [Text Block] Schedule of Other Liabilities Non Current Other Noncurrent Liabilities Table [Text Block] Tabular disclosure of operating lease supplemental balance sheet information table text block. Schedule of Supplemental Balance Sheet Information Operating Lease Supplemental Balance Sheet Information Table [Text Block] Tabular disclosure of operating lease supplemental cash flow information table text block. Schedule of Supplemental Cash flow Information Operating Lease Supplemental Cash Flow Information Table [Text Block] Schedule of Future Minimum Lease Payments included in Measurement of Operating Lease Liabilities Lessee Operating Lease Liability Maturity Table [Text Block] Schedule of Future Minimum Payments Related to Operating Leases Schedule Of Future Minimum Rental Payments For Operating Leases Table [Text Block] Summary of Stock Option Activity Under Equity Incentive Plan Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Stock-based Compensation Expense by Line Item Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block] Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Summary of Potential Shares of Common Stock Excluded from Computation of Diluted Net Loss Per Share Attributable to Common Stockholders Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Summary of business and significant accounting policies. Summary of business and significant accounting policies. Summary Of Business And Significant Accounting Policies [Table] Summary Of Business And Significant Accounting Policies [Table] Counterparty Name Counterparty Name [Axis] Counterparty Name Repurchase Agreement Counterparty Name [Domain] Underwriters. Underwriters Underwriters [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] Convertible Promissory Notes Convertible Notes Payable [Member] Private Placement Private Placement [Member] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Other Assets, Non-current Other Noncurrent Assets [Member] Adjustments for New Accounting Pronouncements Adjustments For New Accounting Pronouncements [Axis] Type of Adoption Type Of Adoption [Member] Accounting Standards Update 2016-02 Accounting Standards Update201602 [Member] Summary Of Business And Significant Accounting Policies [Line Items] Summary Of Business And Significant Accounting Policies [Line Items] Shares issued Sale Of Stock Number Of Shares Issued In Transaction Shares issued, price per share Sale Of Stock Price Per Share Net proceeds from shares issued Sale Of Stock Consideration Received On Transaction Convertible securities converted to common stock, shares Aggregate proceeds from shares issued Sale Of Stock Consideration Received Per Transaction Deferred offering costs, reclassified to stockholders' equity Adjustments To Additional Paid In Capital Stock Issued Issuance Costs Capitalized deferred offering costs within other assets, non-current Deferred Costs Operating lease, total ROU assets Operating lease, total liabilities Operating Lease Liability Impact of adoption of new standard Cumulative Effect Of New Accounting Principle In Period Of Adoption Disaggregation Of Revenue [Table] Disaggregation Of Revenue [Table] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] Americas [Member] Americas [Member] Asia Pacific [Member] Asia Pacific [Member] EMEA [Member] E M E A [Member] Disaggregation Of Revenue [Line Items] Disaggregation Of Revenue [Line Items] Percentage of revenue. Percentage of revenue Percentage Of Revenue Unbilled contracts receivable Unbilled Contracts Receivable Revenue recognized included in deferred revenue Contract With Customer Liability Revenue Recognized Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table] Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Table] Billing Status, Type Accounts Notes Loans And Financing Receivables By Billing Status Type [Axis] Receivables Billing Status Receivables Billing Status [Domain] Billed consideration Billed Revenues [Member] Unbilled consideration Unbilled Revenues [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items] Remaining performance obligation Revenue Remaining Performance Obligation Remaining performance obligation percentage Revenue Remaining Performance Obligation Percentage Revenue remaining performance obligation, expected timing of satisfaction period Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 Marketable Securities [Table] Marketable Securities [Table] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Corporate Bonds Corporate Bond Securities [Member] Agency Bonds Municipal Bonds [Member] U.S. Government Agency Securities U S Government Agencies Debt Securities [Member] Commercial Paper Commercial Paper [Member] Treasury Bills U S Treasury Bill Securities [Member] Marketable Securities [Line Items] Marketable Securities [Line Items] Amortized Cost Available For Sale Debt Securities Amortized Cost Basis Gross Unrealized Gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Gross Unrealized Losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Estimated Fair Value Less than one year Available For Sale Securities Debt Maturities Within One Year Fair Value Due in one to five years Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Total Prepaid expenses and other current assets, fair value disclosure. Measurement Frequency Fair Value By Measurement Frequency [Axis] Fair Value, Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value ,Recurring Basis Fair Value Measurements Recurring [Member] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 Fair Value Inputs Level1 [Member] Fair Value, Inputs, Level 2 Fair Value Inputs Level2 [Member] Fair Value, Inputs, Level 3 Fair Value Inputs Level3 [Member] Asset Class Fair Value By Asset Class [Axis] Asset Class Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Money Market Funds Money Market Funds [Member] Corporate Bond Corporate Note Securities [Member] Agency Bonds Municipal Notes [Member] Certificates Of Deposit Certificates Of Deposit [Member] U.S. Treasury Securities U S Treasury Securities [Member] Short-term Debt, Type Short Term Debt Type [Axis] Short-term Debt, Type Short Term Debt Type [Domain] Financial Assets: Assets Fair Value Disclosure [Abstract] Cash equivalents Cash And Cash Equivalents Fair Value Disclosure Prepaid expenses and other current assets Prepaid Expenses And Other Current Assets Fair Value Disclosure Other assets, non-current Other Assets Fair Value Disclosure Total financial assets Assets Fair Value Disclosure Financial Liabilities: Liabilities Fair Value Disclosure [Abstract] Convertible promissory notes – derivative liabilities Other Liabilities Fair Value Disclosure Total financial liabilities Liabilities Fair Value Disclosure Fair value net derivative asset liability measured on recurring basis unobservable inputs reconciliation transfers into level1. Fair value net derivative asset liability measured on recurring basis unobservable inputs reconciliation transfers out of level1. Fair value net derivative asset liability measured on recurring basis unobservable inputs reconciliation transfers into level2. Fair value net derivative asset liability measured on recurring basis unobservable inputs reconciliation transfers out of level2. Fair value, transfers into level 1 Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level1 Fair value, transfers out of level 1 Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level1 Fair value, transfers into level 2 Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level2 Fair value, transfers out of level 2 Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level2 Fair value, transfers into level 3 Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 Fair value, transfers out of level 3 Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 Extinguishment of derivative liability. Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Beginning Balance Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value Extinguishment of derivative liabilities from the convertible promissory notes in connection with the IPO Extinguishment Of Derivative Liability Ending Balance Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Computer and office equipment. Computer and Office Equipment Computer And Office Equipment [Member] Furniture and Fixtures Furniture And Fixtures [Member] Software Software Development [Member] Leasehold Improvements Leasehold Improvements [Member] Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Property and equipment, gross Property Plant And Equipment Gross Less: accumulated depreciation and amortization Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, net Depreciation and amortization expense Depreciation And Amortization Liability for early exercise of common stock options, current. Sales and other tax liabilities current. Accrued compensation and benefits Accrued Employee Benefits Current Accrued expenses Accrued Liabilities Current Operating lease liabilities, current Operating Lease Liability Current Liability for early exercise of common stock options Liability For Early Exercise Of Common Stock Options Current Sales and other tax liabilities Sales And Other Tax Liabilities Current Other Other Liabilities Current Accrued expenses and other current liabilities Sales and other tax liabilities non current. Other liabilities, other, noncurrent. Sales and other tax liabilities Sales And Other Tax Liabilities Non Current Convertible promissory notes, net of debt discount Convertible Debt Noncurrent Deferred rent liabilities Deferred Rent Credit Noncurrent Derivative liabilities Derivative Liabilities Noncurrent Other Other Liabilities Other Noncurrent Other liabilities, non-current Debt Instrument [Table] Debt Instrument [Table] Dropbox member Dropbox Dropbox [Member] Atlassian member. Atlassian Atlassian [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt instrument term Debt Instrument Term Debt instrument face amount Debt Instrument Face Amount Interest rate percentage Debt Instrument Interest Rate Stated Percentage Debt conversion, converted instrument, shares issued Debt Conversion Converted Instrument Shares Issued1 Share price per share Debt Instrument Convertible Conversion Price1 Derivative liabilities Derivative Liabilities Unamortized debt discount of notes Debt Instrument Unamortized Discount Lessee Lease Description [Table] Lessee Lease Description [Table] Range Range [Axis] Range Range [Member] Minimum Minimum [Member] Maximum Maximum [Member] Lessee Lease Description [Line Items] Lessee Lease Description [Line Items] Lease contractual period Lessee Operating Lease Term Of Contract Operating Lease, Expense Operating Lease Expense Short-term lease expense Short Term Lease Cost Liabilities: Liabilities [Abstract] Lease liabilities, current Total operating lease liabilities Weighted-average remaining lease term Operating Lease Weighted Average Remaining Lease Term1 Weighted-average discount rate Operating Lease Weighted Average Discount Rate Percent Cash paid within operating cash flows Operating Lease Payments Operating lease right-of-use assets recognized in exchange for new operating lease obligations Right Of Use Asset Obtained In Exchange For Operating Lease Liability 2020 Lessee Operating Lease Liability Payments Remainder Of Fiscal Year 2021 Lessee Operating Lease Liability Payments Due Year Two 2022 Lessee Operating Lease Liability Payments Due Year Three 2023 Lessee Operating Lease Liability Payments Due Year Four 2024 Lessee Operating Lease Liability Payments Due Year Five Thereafter Lessee Operating Lease Liability Payments Due After Year Five Total operating lease payments Lessee Operating Lease Liability Payments Due Less: imputed interest Lessee Operating Lease Liability Undiscounted Excess Amount Total operating lease liabilities Operating lease that has not yet commenced with undiscounted cash flows. Operating lease that has not yet commenced with undiscounted cash flows Operating Lease Not Yet Commenced With Undiscounted Cash Flows 2020 Operating Leases Future Minimum Payments Remainder Of Fiscal Year 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 future minimum payments Operating Leases Future Minimum Payments Due Rent expense Operating Leases Rent Expense Net Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Two thousand eleven equity incentive plan. 2011 Plan Two Thousand Eleven Equity Incentive Plan [Member] Two thousand nineteen equity incentive plan. 2019 Plan Two Thousand Nineteen Equity Incentive Plan [Member] Two thousand nineteen employee stock purchase plan. 2019 Employee Stock Purchase Plan Two Thousand Nineteen Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan Employee Stock [Member] Common class A and class B. Class A and Class B Common Stock Common Class A And Class B [Member] Award Type Award Type [Axis] Equity Award Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Restricted stock awards. Restricted Stock Awards Restricted Stock Awards [Member] Title of Individual Title Of Individual [Axis] Relationship to Entity Title Of Individual With Relationship To Entity [Domain] Board of Directors Director [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Temporary equity conversion basis Preferred Stock Conversion Basis Convertible preferred stock outstanding Undesignated preferred stock shares authorized Undesignated referred stock par value Vesting period of awards Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Shares of common stock reserved for grants of awards Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized Stock options outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Number of shares available for future issuance Common Stock Capital Shares Reserved For Future Issuance Percentage of share based compensation arrangements by share based payment award options increase in shares reserved for issuance. Numbers of additional shares authorized under the plan Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized Percentage of shares reserved increase Percentage Of Share Based Compensation Arrangements By Share Based Payment Award Options Increase In Shares Reserved For Issuance Outstanding Stock Options, Beginning balance Outstanding Stock Options, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Outstanding Stock Options Exercised Outstanding Stock Options Cancelled/forfeited/expired Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Outstanding Stock Options, Ending balance Outstanding Stock Options, Vested Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Weighted Average Exercise Price, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Granted Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted Average Exercise Price Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted Average Exercise Price Cancelled/forfeited/expired Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price Weighted Average Exercise price, Ending balance Weighted Average Exercise price, Vested Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted-Average Remaining Contractual Life (Years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Weighted-Average Remaining Contractual Life (Years), Vested Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Options Outstanding, Aggregate Intrinsic Value, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Options Outstanding, Aggregate Intrinsic Value, Ending balance Options Outstanding, Aggregate Intrinsic Value, Vested Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Unrecognized stock-based compensation expenses related to outstanding unvested stock options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Unrecognized stock-based compensation excepted to be recognized over a weighted-average period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Annual increase in shares for available for future issuance by percentage of the outstanding ordinary shares on the last day of such fiscal year. Annual increase in Number of shares of common stock available for future issuance. Annual increase in shares for available for future issuance by percentage of the outstanding ordinary shares on the first day of such fiscal year. Annual Increase In Shares For Available For Future Issuance By Percentage Of Outstanding Ordinary Shares On Last Day Of Such Fiscal Year Annual increase in Number of shares of common stock available for future issuance Annual Increase In Number Of Shares Of Common Stock For Available For Future Issuance Percentage of purchase price of common stock to fair market value of common stock on offering date. Percentage of purchase price of common stock to fair market value of common stock on purchase date. Payroll deductions to participate in plan Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate Percentage of purchase price of common stock to fair market value of common stock on offering date Percentage Of Purchase Price Of Common Stock To Fair Market Value Of Common Stock On Offering Date Percentage of purchase price of common stock to fair market value of common stock on purchase date Percentage Of Purchase Price Of Common Stock To Fair Market Value Of Common Stock On Purchase Date Number of shares purchased under ESPP Stock Issued During Period Shares Employee Stock Purchase Plans ESPP excess rate purachse right, value Stock Issued During Period Value Employee Stock Purchase Plan Proceeds from unvested shares of common stock. Number of common stock subject to repurchase Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation Weighted average price per share Share Based Compensation Arrangement By Share Based Payment Award Per Share Weighted Average Price Of Shares Purchased Proceeds from unvested shares of common stock Proceeds From Unvested Shares Of Common Stock Share based compensation arrangement by share based payment award equity instruments vested and unvested grant date fair value. Shares issued of common stock Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period Grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Vested And Unvested Grant Date Fair Value Shares issued of common stock, value Stock Issued During Period Value Share Based Compensation Shares vested on the grant date Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Number of shares of common stock unvested and subject to repurchase Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Cost of Revenue Cost Of Sales [Member] Research and Development Research And Development Expense [Member] Sales and Marketing Selling And Marketing Expense [Member] General and Administrative General And Administrative Expense [Member] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Stock-based compensation expense Allocated Share Based Compensation Expense Income tax expense Reallocation of net income loss available to common stockholders diluted. Schedule Of Earnings Per Share Basic By Common Class [Table] Schedule Of Earnings Per Share Basic By Common Class [Table] Earnings Per Share Basic [Line Items] Earnings Per Share Basic [Line Items] Numerator: Earnings Per Share Basic [Abstract] Less: undistributed earnings attributable to participating securities Participating Securities Distributed And Undistributed Earnings Loss Basic Reallocation of net income attributable to common stockholders Reallocation Of Net Income Loss Available To Common Stockholders Basic Reallocation of net income attributable to common stockholders Reallocation Of Net Income Loss Available To Common Stockholders Diluted Net income (loss) attributable to common stockholders, diluted Net Income Loss Available To Common Stockholders Diluted Denominator: Earnings Per Share Diluted [Abstract] Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, basic Weighted-average shares used in computing net income (loss) per share attributable to common stockholders, diluted Net income (loss) per share attributable to common stockholders, basic Net income (loss) per share attributable to common stockholders, diluted Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Outstanding stock option. Outstanding Stock Option Outstanding Stock Option [Member] Shares subject to repurchase from early exercised stock options and restricted stock. Shares Subject to Repurchase From Early Exercised Stock Options and Restricted Stock Shares Subject To Repurchase From Early Exercised Stock Options And Restricted Stock [Member] Antidilutive securities excluded from computation of earnings per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Schedule Of Related Party Transactions By Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Veeva Systems Inc. Veeva Veeva Systems Inc [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Revenue from related party Revenue From Related Parties Additional rent payments. Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Additional rent payments Additional Rent Payments Lease expiration date Lease Expiration Date1