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 OPERATIONS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Description of the Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Cash, Cash Equivalents and Short-Term Investments link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Business Combinations link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Accrued and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stockholders’ Deficit link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Segment Information and Geographic Areas link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Description of the Business and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Description of the Business and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Cash, Cash Equivalents and Short-Term Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Commitment and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Accrued and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Stockholders’ Deficit (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Segment Information and Geographic Areas (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Use of estimates (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Foreign Currency Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Stock-based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Reduction in Workforce (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Schedule of Severance Charges Included Within the Statement of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Schedule of Changes in Severance Charges and Related Accruals (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Advertising and promotional expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Cash, cash equivalents, and restricted cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Short-term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Deferred Commissions, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Lease Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Long-lived assets, including goodwill and other acquired intangible assets, net (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Description of the Business and Summary of Significant Accounting Policies - Income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of Amortized Cost, Unrealized Gains and Losses and Estimated Fair Value of Cash, Cash Equivalents and Short-Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of Amortized Cost, Unrealized Gains and Losses and Estimated Fair Value of Cash, Cash Equivalents and Short-Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of Contractual Maturities of Short Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of Breakdown of the Short-Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Fair Value Measurements - Schedule of Financial Instruments Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Property and Equipment, Net - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Business Combinations (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Intangible Assets - Schedule of Expected Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Debt - Term Loan Facility (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Debt - Schedule of Term Loan Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Debt - Revolving credit facility (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Debt - Convertible senior notes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Debt - Schedule of Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Debt - Schedule of Maturities of Long-Term Convertible Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Debt - Convertible Note Hedges and Warrants (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Leases - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Leases - Other Lease Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Leases - Schedule of Future Minimum Operating and Finance Lease Payments Under Non-Cancellable Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Leases - Schedule of Future Minimum Operating and Finance Lease Payments Under Non-Cancellable Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Leases - Schedule of Future Non-Cancelable Rent Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Accrued and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Stockholders’ Deficit - Common stock and preferred stock (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Stockholders’ Deficit - Stock repurchase program (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Stockholders’ Deficit - Equity Incentive Plans Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Stockholders’ Deficit - Schedule of Stock Option and Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Stockholders’ Deficit - Schedule of Pre-Tax Intrinsic Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Stockholders’ Deficit - Co-Founder Grants (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Net Income Per Share - Schedule of Numerators and Denominators of Basic and Diluted EPS Computations (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Net Income Per Share - Schedule of Weighted-Average Impact of Potentially Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Income Taxes - Schedule of Loss from Continuing Operations Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Income Taxes - Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Income Taxes - Components of Deferred Tax Assets and Deferred Tax Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Segment Information and Geographic Areas (Details) link:presentationLink link:calculationLink link:definitionLink