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Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Nature of Operations and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Accounts Receivable link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Reinsurance link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Reserve for Losses and Loss Adjustment Expenses link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Debt Obligations link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Capital Stock link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Dividends Restrictions link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Earnings per Share (EPS) link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Statutory Accounting link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Capital Maintenance Agreement link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Schedule I - Summary of Investments-Other Than Investments in Related Parties link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Schedule II - Condensed Financial Information of Registrant link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Schedule IV - Reinsurance link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - Accounts Receivable (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - Reinsurance (Tables) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - Reserve for Losses and Loss Adjustment Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - Capital Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Earnings per Share (EPS) (Tables) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Statutory Accounting (Tables) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Nature of Operations and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Summary of Significant Accounting Policies - Long-Lived Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Summary of Significant Accounting Policies - Deferred Policy Acquisition Costs (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Summary of Significant Accounting Policies - Insurance Premium Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Summary of Significant Accounting Policies - Reserve for Losses and Loss Adjustment Expense and Premium Deficiency Reserve (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Investments - Schedule of Available for Sale (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Investments - Schedule of Municipal Debt Securities and Corporate Debt Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Investments - Schedule of Available For Sale Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Investments - Schedule of Realized Gain and Loss and Investments in Unrealized Loss Position (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Investments - Net Investment Income (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Reinsurance - Effect on Net Premiums Written and Earned (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Reinsurance - Quota Share Reinsurance (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Reinsurance - Quota Share Reinsurance (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Reinsurance - Excess of Loss Reinsurance (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Reinsurance - Excess of Loss Reinsurance (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Reinsurance - Premium Details (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Reinsurance - Premium Details (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Reinsurance - Essent Guaranty's Excess of Loss Reinsurance Coverages and Retentions (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Reinsurance - Essent Guaranty's Excess of Loss Reinsurance Coverages and Retentions (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Reinsurance - Summary of Total Assets and Maximum Exposure Loss (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Reserve for Losses and Loss Adjustment Expenses - Reconciliation of Reserve Balances for Losses and Loss Adjustment Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Reserve for Losses and Loss Adjustment Expenses - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Reserve for Losses and Loss Adjustment Expenses - Summary of Incurred Losses and Allocated Loss Adjustment Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Reserve for Losses and Loss Adjustment Expenses - Summary of Average Annual Payout of Losses (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - 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Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - Stock-Based Compensation - Summary of Nonvested Performance-based Share Awards (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Stock-Based Compensation - Summary of Nonvested Common Share and Common Share Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - Stock-Based Compensation - Summary of Compensation Expense, Net of Forfeitures (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - Dividends Restrictions (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Income Taxes - Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Income Taxes - Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - Earnings per Share (EPS) - Reconciliation of Net Income and Weighted Average Common Shares Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 0000081 - Disclosure - Earnings per Share (EPS) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000082 - Disclosure - Earnings per Share (EPS) - Schedule of Percent of Shares Issuable Under Terms of Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 0000084 - Disclosure - Fair Value of Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 0000085 - Disclosure - Statutory Accounting - Schedule of Statutory Net Income, Statutory Surplus and Contingency Reserve Liability (Details) link:presentationLink link:calculationLink link:definitionLink 0000086 - Disclosure - Statutory Accounting - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000087 - Disclosure - Capital Maintenance Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 0000088 - Disclosure - Schedule I - Summary of Investments-Other Than Investments in Related Parties (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - Schedule II - Condensed Financial Information of Registrant - Condensed Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 0000090 - Disclosure - Schedule II - Condensed Financial Information of Registrant - Condensed Statements of Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 0000091 - Disclosure - Schedule II - Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 0000092 - Disclosure - Schedule II - Condensed Financial Information of Registrant - Supplementary Notes (Details) link:presentationLink link:calculationLink link:definitionLink 0000093 - Disclosure - Schedule IV - Reinsurance (Details) link:presentationLink link:calculationLink link:definitionLink