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 EARNINGS (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Organization and Operations link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Acquisitions and Divestitures link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Short-term and Long-term Investments, Restricted Deposits link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Property, Software and Equipment link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Medical Claims Liability link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Affordable Care Act link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Statutory Capital Requirements and Dividend Restrictions link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Stock Incentive Plans link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Retirement Plan link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Contingencies link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952177 - Disclosure - Condensed Financial Information of Registrant link:presentationLink link:calculationLink link:definitionLink 9952178 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Short-term and Long-term Investments, Restricted Deposits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Property, Software and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Medical Claims Liability (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Affordable Care Act (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Stock Incentive Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Condensed Financial Information of Registrant (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Organization and Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Summary of Significant Accounting Policies - Schedule of Property, Software and Equipment Depreciation Periods (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Summary of Significant Accounting Policies - Schedule of Amortization Period for Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Summary of Significant Accounting Policies - Medical Claims Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Summary of Significant Accounting Policies - Premium and Trade Receivables and Unearned Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Summary of Significant Accounting Policies - Schedule of Allowance for Uncollectible Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Summary of Significant Accounting Policies - Significant Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Acquisitions and Divestitures (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Short-term and Long-term Investments, Restricted Deposits - Schedule of Short-term and Long-term Investments and Restricted Deposits by Investment Type (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Short-term and Long-term Investments, Restricted Deposits - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Short-term and Long-term Investments, Restricted Deposits - Schedule of Fair Value of Available-For-Sale Investments with Gross Unrealized Losses by Investment Type and Length of Time (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Short-term and Long-term Investments, Restricted Deposits - Schedule of Contractual Maturities of Short-term and Long-term Investments and Restricted Deposits (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair Value Measurements - Schedule of Fair Value Measurements by Level for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Property, Software and Equipment - Schedule of Property, Software and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Property, Software and Equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Goodwill and Intangible Assets - Schedule of Changes in Goodwill by Operating Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Goodwill and Intangible Assets - Schedule of Future Amortization Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Medical Claims Liability - Schedule of Change in Medical Claims Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Medical Claims Liability - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Medical Claims Liability - Schedule of Cumulative Incurred and Paid Claims (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Medical Claims Liability - Schedule of Incurred Claims and Allocated Claims Adjustment Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Affordable Care Act - Schedule of Receivables (Payables) Related to the Affordable Care Act Programs (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Affordable Care Act - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Debt - Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Debt - Revolving Credit Facility and Term Loan Credit Facility (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Debt - Debt Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Debt - Letters of Credit & Surety Bonds (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Debt - Schedule of Aggregate Maturities of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Leases - Schedule of ROU Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Leases - Schedule of Operating Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Leases - Schedule of Operating Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Stockholders' Equity - Schedule of Share Repurchase Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Statutory Capital Requirements and Dividend Restrictions (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Income Taxes - Schedule of Consolidated Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Income Taxes - Schedule of Reconciliation of the Tax Provision at the U.S. Federal Statutory Rate to the Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Income Taxes - Schedule of Components of Income Taxes Paid (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Income Taxes - Schedule of Tax Effects of Temporary Differences Which Give Rise to 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 - Schedule of Reserve for Uncertain Tax Positions That May be Challenged (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Stock Incentive Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Stock Incentive Plans - Schedule of Non-Vested Restricted Stock and Restricted Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Retirement Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Condensed Financial Information of Registrant - Schedule of Condensed Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Condensed Financial Information of Registrant - Schedule of Condensed Balance Sheets Additional (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Condensed Financial Information of Registrant - Schedule of Condensed Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Condensed Financial Information of Registrant - Schedule of Condensed Statements of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink