0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Description of Business and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Convertible Senior Notes and Capped Call Transactions link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Legal Matters link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Description of Business and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Description of Business and Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Convertible Senior Notes and Capped Call Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Restructuring (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Subsequent Events (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Description of Business and Basis of Presentation - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Description of Business and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue Recognition - Revenue by Geographic Location (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Revenue Recognition (Schedule of Receivables, Contract Acquisition Costs, and Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue Recognition - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Net Loss Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Net Loss Per Share - Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of EPS (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Segment Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Segment Information - Long-Lived Assets by Geographic Region (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Changes in Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Goodwill and Intangible Assets - Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Property and Equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Property and Equipment - Schedule of Depreciation (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Convertible Senior Notes and Capped Call Transactions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Convertible Senior Notes and Capped Call Transactions - Schedule of Carrying Amount of Liability Component of Convertible Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Convertible Senior Notes and Capped Call Transactions - Schedule of Interest Expense Incurred (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Fair Value Measurements - Schedule of Carrying Value and Fair Value of Debt Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Fair Value Measurements - Pricing Model Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Fair Value Measurements - Level 3 Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Commitments and Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Stockholders' Equity - Summary of Stock Option Activity and Weighted Average Exercise Prices (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Stockholders' Equity - Summary of Restricted Stock Unit Activity and Weighted Average Exercise Price (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Stockholders' Equity - Schedule of Stock-Based Compensation Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Restructuring - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Restructuring - Schedule of Restructuring Reserve (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink