0000001 - Document - Cover 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 Income/(Loss) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Comprehensive Income/(Loss) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Changes in Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952157 - 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Disclosure - Fair Value Measurements and Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Goodwill and Other Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Stock-based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Other Accrued Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Income/ (Loss) Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Business - Reverse Stock Split (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Business - Initial Public Offering and Secondary Offerings (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Summary of Significant Accounting Policies - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Summary of Significant Accounting Policies - Contract Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Summary of Significant Accounting Policies - Channel Partners (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Summary of Significant Accounting Policies - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Summary of Significant Accounting Policies - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Summary of Significant Accounting Policies - Software Licenses and Maintenance Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Summary of Significant Accounting Policies - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Summary of Significant Accounting Policies - Deferred Offering Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Summary of Significant Accounting Policies - Capitalized Software Development Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - 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Disclosure - Segments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Segments - Schedule of Reconciliation of Revenue to Consolidated Net Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Investment Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Fair Value Measurements and Disclosures - Fair Value Hierarchy for Financial Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Fair Value Measurements and Disclosures - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Acquisitions - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - 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Disclosure - Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Income Taxes - Cash Paid for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Income Taxes - Changes in Valuation Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Accounts Receivable Securitization (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Debt - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Debt - Schedule of Debt Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Debt - Maturity of Long-Term Principal Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Derivative Financial Instruments - Interest Rate Swaps Designated as Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Derivative Financial Instruments - Effect of Derivative Instruments Designated as Hedging Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Derivative Financial Instruments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Common and Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Retirement Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - 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