0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Organization, Description of Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investments in Marketable Securities link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Debt Obligations link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Net Income (Loss) per Common Share link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Organization, Description of Business and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Restructuring (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Investments in Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Debt Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Net Income (Loss) per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Organization, Description of Business and Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Restructuring - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Restructuring - Schedule of Restructuring Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Restructuring - Schedule of Accrued Severance and Related Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Investments in Marketable Securities - Schedule of Debt Securities, Available-for-Sale (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Investments in Marketable Securities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Goodwill and Intangible Assets - Schedule of Impaired Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Goodwill and Intangible Assets - Schedule of Estimated Amortization on Identifiable Acquisition-Related Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Balance Sheet Components - Schedule of Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Balance Sheet Components - Schedule of Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Balance Sheet Components - Schedule of Property, Equipment and Capitalized Software, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Balance Sheet Components - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Balance Sheet Components - Schedule of Accrued and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Fair Value Measurements - Schedule of Financial Assets and Liabilities on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair Value Measurements - Schedule of Carrying Value and Estimated Fair Value of Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Leases - Schedule of Assets and Liabilities Related to the Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Leases - Schedule of Components of the Total Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Leases - Schedule of Lease Liabilities Under Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Leases - Schedule of Lease Liabilities Under Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Leases - Schedule of Weighted-Average Lease Terms and Discount Rates (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Debt Obligations - Schedule of Debt Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Debt Obligations - 10% Senior Secured Notes Due 2030 (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Debt Obligations - Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Debt Obligations - Short-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Debt Obligations - Interest Expense and Prior Period Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Stockholders' Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Stock-Based Compensation - Schedule of Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Stock-Based Compensation - Schedule of Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Stock-Based Compensation - Schedule of RSU and PSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Stock-based Compensation - Schedule Of Estimate the Fair Value of the Market-Based PSUs (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Net Income (Loss) per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Net Income (Loss) per Common Share - Schedule of Weighted Average Shares Excluded From Calculation of Diluted Income (Loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Segment and Geographic Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Segment and Geographic Information - Schedule of Segment Reporting Information, by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Segment and Geographic Information - Schedule of Total Revenue Based on Location (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Segment and Geographic Information - Schedule of Property, Equipment and Capitalized Software, Net, and Operating Lease ROU Assets, Net by Geographic Location (Details) link:presentationLink link:calculationLink link:definitionLink