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Document and Entity Information
Financial Statements
Consolidated Balance Sheets
Consolidated Balance Sheets (Parenthetical)
Consolidated Statements of Income and Comprehensive Income
Consolidated Statements of Income and Comprehensive Income (Parenthetical)
Consolidated Statements of Shareholder’s Equity
Consolidated Statements of Cash Flows
Consolidated Statements of Cash Flows (Parenthetical)
Notes to Financial Statements
Summary of Operations and Basis of Presentation
Significant Accounting Policies
Investments
Fair value measurements
Policy Acquisition Costs
Property and Equipment
Capitalized Software
Reserve for Losses and Loss Adjustment Expenses
Reinsurance
Long-term Debt
Income Taxes
Capital Stock
Statutory financial information
Dividend Restrictions
Commitments and Contingencies
Accumulated Other Comprehensive Income
Retirement and Post-Employment Retirement Plans
Stock-Based Compensation
Net Income Per Share
Underwriting Information
Selected Quarterly Financial Data (unaudited)
Subsequent Events
Schedule II
Schedule V - Valuation and Qualifying Accounts
Accounting Policies
Significant Accounting Policies (Policies)
Notes Tables
Investments (Tables)
Fair value measurements (Tables)
Policy Acquisition Costs (Tables)
Property and Equipment (Tables)
Capitalized Software (Tables)
Reserve for Losses and Loss Adjustment Expenses (Tables)
Reinsurance (Tables)
Income Taxes (Tables)
Capital Stock (Tables)
Statutory financial information (Tables)
Commitments and Contingencies (Tables)
Accumulated Other Comprehensive Income (Tables)
Stock-Based Compensation (Tables)
Net Income Per Share (Tables)
Underwriting Information (Tables)
Selected Quarterly Financial Data (unaudited) (Tables)
Notes Details
Summary of Operations and Basis of Presentation (Details)
Significant Accounting Policies (Details)
Investments - Available for Sale Investments (Details)
Investments - Security Holdings in an Unrealized Loss Position - General Information (Details)
Investments - Security Holdings in an Unrealized Loss Position - Tabular Disclosure (Details)
Investments - Other-than-temporarily Impaired (Details)
Investments - Contractual Maturities of Available for Sale Fixed Maturity Securities (Details)
Investments - Change in Unrealized Gains (Losses) of Investments (Details)
Investments - Net Investment Income (Details)
Investments - Net Realized and Unrealized Investment Gains and Losses (Details)
Investments - Securities on Deposit (Details)
Fair value measurements - Financial Assets and Liabilities (Details)
Fair value measurements - Transfers (Details)
Policy Acquisition Costs (Details)
Property and Equipment (Details)
Capitalized Software (Details)
Reserve for Losses and Loss Adjustment Expenses - Roll Forward (Details)
Reserve for Losses and Loss Adjustment Expenses - Additional Information (Details)
Reserve for Losses and Loss Adjustment Expenses - Incurred and Paid Accident Year Claims Development (Details)
Reserve for Losses and Loss Adjustment Expenses - Average Annual Percentage Payout of Incurred Claims by Age (Details)
Reserve for Losses and Loss Adjustment Expenses - Reconciliation of Liability for Claims and Claim Adjustment Expenses (Details)
Reinsurance (Details)
Reinsurance- effect of reinsurance (Details)
Long-term Debt - Surplus Notes (Details)
Long-term Debt - Floating Rate Notes (Details)
Long-term Debt - Interest (Details)
Income Taxes - Excise Tax (Details)
Income Taxes - Federal income tax expense (benefit) (Details)
Income Taxes - Deferred Tax Assets and Liabilities (Details)
Income Taxes - Effective tax rate (Details)
Capital Stock - Shares issued and outstanding (Details)
Capital Stock - Reserved for future issuance (Details)
Statutory financial information (Details)
Dividend Restrictions (Details)
Commitments and Contingencies (Details)
Commitments and Contingencies - Letters of Credit (Details)
Accumulated Other Comprehensive Income - Roll Forward (Details)
Retirement and Post-Employment Retirement Plans (Details)
Stock-Based Compensation - Stock based compensation expense (Details)
Stock-Based Compensation - Management incentive plan prior to IPO (Details)
Stock-Based Compensation - 2019 Equity Incentive Plan (Details)
Stock-Based Compensation - Stock options activity (Details)
Stock-Based Compensation - Fair value assumptions (Details)
Stock-Based Compensation - Restricted stock units activity (Details)
Stock-Based Compensation - 2019 Employee Stock Purchase Plan (Details)
Net Income Per Share (Details)
Underwriting Information - Reportable Segments (Details)
Underwriting Information - Gross Written Premiums by Product (Details)
Underwriting Information - Gross Written Premiums by State (Details)
Underwriting Information (Details)
Selected Quarterly Financial Data (unaudited) (Details)
Subsequent Events (Details)
Schedule II - Balance Sheets (Details)
Schedule II - Balance Sheets - Additional Information (Details)
Schedule II - Statements of Income (Details)
Schedule II - Statements of Cash Flows (Details)
Valuation and Qualifying Accounts (Details)
All Reports