0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Business and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - Business and Summary of Significant Accounting Policies - Initial Public Offering (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Business and Summary of Significant Accounting Policies - Foreign Currency (Details) link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - Business and Summary of Significant Accounting Policies - Perpetual License and Maintenance Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Business and Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - Business and Summary of Significant Accounting Policies - Deferred Commissions (Details) link:presentationLink link:calculationLink link:definitionLink 2408406 - Disclosure - Business and Summary of Significant Accounting Policies - Property and Equipment, net (Details) link:presentationLink link:calculationLink link:definitionLink 2409407 - Disclosure - Business and Summary of Significant Accounting Policies - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2410408 - Disclosure - Business and Summary of Significant Accounting Policies - Advertising (Details) link:presentationLink link:calculationLink link:definitionLink 2411409 - Disclosure - Business and Summary of Significant Accounting Policies - Software Development Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2412410 - Disclosure - Business and Summary of Significant Accounting Policies - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2413411 - Disclosure - Business and Summary of Significant Accounting Policies - Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 2114102 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 2416412 - Disclosure - Revenue - Summary of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2417413 - Disclosure - Revenue - Concentrations (Details) link:presentationLink link:calculationLink link:definitionLink 2418414 - Disclosure - Revenue - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 2419415 - Disclosure - Revenue - Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2419415 - Disclosure - Revenue - Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2420416 - Disclosure - Revenue - Activity of Deferred Contract Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2121103 - Disclosure - Cash and Cash Equivalents and Short-Term Investments link:presentationLink link:calculationLink link:definitionLink 2322302 - Disclosure - Cash and Cash Equivalents and Short-Term Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 2423417 - Disclosure - Cash and Cash Equivalents and Short-Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2124104 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2325303 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2426418 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 2127105 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 2328304 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 2429419 - Disclosure - Property and Equipment, Net - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2430420 - Disclosure - Property and Equipment, Net - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2131106 - Disclosure - Acquisition, Goodwill and Intangible Assets (Notes) link:presentationLink link:calculationLink link:definitionLink 2332305 - Disclosure - Acquisition, Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2433421 - Disclosure - Acquisition, Goodwill and Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2434422 - Disclosure - Acquisition, Goodwill and Intangible Assets - Schedule of Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 2435423 - Disclosure - Acquisition, Goodwill and Intangible Assets - Schedule of Finite-lived Intangible Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 2436424 - Disclosure - Acquisition, Goodwill and Intangible Assets - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2437425 - Disclosure - Acquisition, Goodwill and Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2438426 - Disclosure - Acquisition, Goodwill and Intangible Assets - Schedule of Future Amortization of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2139107 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2340306 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2441427 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2442428 - Disclosure - Leases - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2443429 - Disclosure - Leases - Supplemental Information (Details) link:presentationLink link:calculationLink link:definitionLink 2444430 - Disclosure - Leases - Operating Lease Liability Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2145108 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2446431 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2147109 - Disclosure - Redeemable Convertible Preferred Stock and Common Stock link:presentationLink link:calculationLink link:definitionLink 2448432 - Disclosure - Redeemable Convertible Preferred Stock and Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2149110 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 2350307 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 2451433 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2452434 - Disclosure - Stock-Based Compensation - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2453435 - Disclosure - Stock-Based Compensation - Restricted Stock and Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 2454436 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2455437 - Disclosure - Stock-Based Compensation - Fair Value of Stock Options Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 2456438 - Disclosure - Stock-Based Compensation - 2018 Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 2457439 - Disclosure - Stock-Based Compensation - Fair Value of ESPP Purchase Rights (Details) link:presentationLink link:calculationLink link:definitionLink 2158111 - Disclosure - Net Loss Per Share Attributable to Common Stockholders link:presentationLink link:calculationLink link:definitionLink 2359308 - Disclosure - Net Loss Per Share Attributable to Common Stockholders (Tables) link:presentationLink link:calculationLink link:definitionLink 2460440 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Computation of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2461441 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Potentially Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2162112 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2363309 - Disclosure - Income Taxes Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2464442 - Disclosure - Income Taxes - Components of Loss Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 2465443 - Disclosure - Income Taxes - Components of the Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 2466444 - Disclosure - Income Taxes - Differences Between Federal and Effective Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 2467445 - Disclosure - Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2468446 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2469447 - Disclosure - Income Taxes - Changes in Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 2170113 - Disclosure - Geographic Information link:presentationLink link:calculationLink link:definitionLink 2371310 - Disclosure - Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2472448 - Disclosure - Geographic Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2473449 - Disclosure - Geographic Information - Revenue by Geographic Region (Details) link:presentationLink link:calculationLink link:definitionLink 2474450 - Disclosure - Geographic Information - Property And Equipment, Net By Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 2175114 - Disclosure - Benefit Plans link:presentationLink link:calculationLink link:definitionLink 2476451 - Disclosure - Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 2177115 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2478452 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 2179116 - Disclosure - Quarterly Results (unaudited) link:presentationLink link:calculationLink link:definitionLink 2380311 - Disclosure - Quarterly Results (unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 2481453 - Disclosure - Quarterly Results (unaudited) (Details) link:presentationLink link:calculationLink link:definitionLink 2182117 - Disclosure - Schedule II - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 2483454 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink