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' DEFICIT link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Organization and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Cash Equivalents and Marketable Securities link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Supplemental Consolidated Balance Sheet Information link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Deferred Costs link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Geographic Information link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Organization and Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Cash Equivalents and Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Supplemental Consolidated Balance Sheet Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Commitment and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Organization and Significant Accounting Policies - Segments, Restricted Cash, Marketable Securities and Deferred Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Organization and Significant Accounting Policies - Property and Equipment, net (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Organization and Significant Accounting Policies - Revenue Recognition and Deferred Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Organization and Significant Accounting Policies - Advertising Costs, Leases, Impairment of Long-Lived Assets and Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Cash Equivalents and Marketable Securities - Schedule of Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Cash Equivalents and Marketable Securities - Schedule of Contractual Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Cash Equivalents and Marketable Securities - Continuous Unrealized Loss Position (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Supplemental Consolidated Balance Sheet Information - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Supplemental Consolidated Balance Sheet Information - Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Deferred Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Leases - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Leases - Supplemental Cash flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Leases - Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Leases - Schedule of Lease Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Leases - Schedule of Lease Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Debt - Summary of Convertible Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Debt - Net Carrying Amount of Convertible Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Debt - Summary of Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Stock-Based Compensation - General (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Stock-Based Compensation - Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Stock-Based Compensation - Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Stock-Based Compensation - Restricted Stock Units and Performance Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Stock-Based Compensation - Employee Stock Purchase Plan Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Stock-Based Compensation - Employee Stock Purchase (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Acquisitions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Acquisitions - Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Goodwill and Intangible Assets - Goodwill Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Goodwill and Intangible Assets - Intangible Asset Components (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Goodwill and Intangible Assets - Amortization of Intangible Assets by Fiscal Year (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Geographic Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Revenue Recognition - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Revenue Recognition - Deferred Revenue and Transaction Price Allocated to the Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Revenue Recognition - Deferred Revenue and Transaction Price Allocated to the Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Employee Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Income Taxes - Income Before Income Tax, Domestic and Foreign (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Income Taxes - Components of Provision (Benefit) for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Income Taxes - Effective Income Tax Reconciliation Before ASU Adoption (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Income Taxes - Effective Income Tax Reconciliation After ASU Adoption (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Income Taxes - Income Taxes Paid (Net of Refunds) (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Net Loss Per Share - Earnings Per Share Basic and Diluted (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Net Loss Per Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink