0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Nature of Business link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investments and Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Balance Sheet Information link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Debt Instruments link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Net Loss Per Share Attributable to Common Stockholders link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Restructuring Charges link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Investments and Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Balance Sheet Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Debt Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Net Loss Per Share Attributable to Common Stockholders (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Summary of Significant Accounting Policies - Incremental Costs to Obtain a Contract With Customer (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Summary of Significant Accounting Policies - Schedule of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Summary of Significant Accounting Policies - Internal-Use Software Development Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Summary of Significant Accounting Policies - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Summary of Significant Accounting Policies - Cost of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Summary of Significant Accounting Policies - Advertising Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Summary of Significant Accounting Policies - Accounting for Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Summary of Significant Accounting Policies - Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Revenue - Schedule of Net Revenue by Geographic Region (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Revenue - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Revenue - Schedule of Revenue by Customer Type (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Revenue - Contract Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Revenue - Remaining Performance Obligation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Revenue - Remaining Performance Obligation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Revenue - Schedule of Costs to Obtain Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investments and Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investments and Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Balance Sheet Information - Schedule of Allowance for Doubtful Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Balance Sheet Information - Schedule of Revenue Reserve (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Balance Sheet Information - Schedule of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Balance Sheet Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Balance Sheet Information - Schedule of Other Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Balance Sheet Information - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Balance Sheet Information - Schedule of Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Balance Sheet Information - Schedule of Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Leases - Schedule of Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Leases - Schedule of Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Leases - Schedule of Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Leases - Schedule of Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Goodwill and Intangible Assets - Schedule of Expected Amortization Expense of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Debt Instruments - Senior Secured Credit Facilities Agreement (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Debt Instruments - Convertible Senior Notes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Debt Instruments - Schedule of Convertible Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Debt Instruments - Redemption Rights of the Notes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Debt Instruments - Conversion Rights of the Notes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Debt Instruments - Schedule of Conversion Rights of Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Debt Instruments - Schedule of Carrying Value of Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Debt Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Debt Instruments - Capped Calls (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Commitments and Contingencies - Schedule of Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Commitments and Contingencies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Stockholders' Equity - Common Stock (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Stockholders' Equity - Equity Incentive Plans (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Stockholders' Equity - Stock Options (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Stockholders' Equity - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Stockholders' Equity - Restricted Stock Units (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Stockholders' Equity - Schedule of RSU, RSA , PSU and MPSU, RTSR PSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Stockholders' Equity - PSUs (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Stockholders' Equity - Company-Wide Bonus Program (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Stockholders' Equity - Market-Based Performance Stock Units (MPSU) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Stockholders' Equity - Relative Total Shareholder Return Award PSUs ("rTSR PSUs") (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Stockholders' Equity - Employee Stock Purchase Program (ESPP) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Stockholders' Equity - Fair Value Assumptions - ESPP (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Stockholders' Equity - Equity Awards Modification (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Stockholders' Equity - Schedule of Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Computation of Basic and Diluted Net Loss Per Share of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Income Taxes - Loss Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Income Taxes - Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - Income Taxes - Effective Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955587 - Disclosure - Income Taxes - Changes in Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 9955588 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955589 - Disclosure - Income Taxes - Income Taxes Paid (Details) link:presentationLink link:calculationLink link:definitionLink 9955590 - Disclosure - Segment and Geographic Information - (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955591 - Disclosure - Segment and Geographic Information - Schedule of Long-Lived Assets by Geographic Region (Details) link:presentationLink link:calculationLink link:definitionLink 9955592 - Disclosure - Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink