0001001 - Document - COVER PAGE link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - NATURE OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - NATURE OF BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Internally Developed Software (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fixed Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - ASUs (Details) link:presentationLink link:calculationLink link:definitionLink 2111103 - Disclosure - INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 2312302 - Disclosure - INVESTMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - INVESTMENTS - Amortized Cost and Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2414408 - Disclosure - INVESTMENTS - Unrealized Losses (Details) link:presentationLink link:calculationLink link:definitionLink 2415409 - Disclosure - INVESTMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2416410 - Disclosure - INVESTMENTS - Contractual Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 2417411 - Disclosure - INVESTMENTS - Net Investment Income (Details) link:presentationLink link:calculationLink link:definitionLink 2418412 - Disclosure - INVESTMENTS - Credit Ratings (Details) link:presentationLink link:calculationLink link:definitionLink 2419413 - Disclosure - INVESTMENTS - Special Deposits (Details) link:presentationLink link:calculationLink link:definitionLink 2120104 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2321303 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2422414 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Balance Sheet Grouping (Details) link:presentationLink link:calculationLink link:definitionLink 2423415 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2424416 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Long Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2125105 - Disclosure - LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES link:presentationLink link:calculationLink link:definitionLink 2326304 - Disclosure - LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES (Tables) link:presentationLink link:calculationLink link:definitionLink 2427417 - Disclosure - LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES (Details) link:presentationLink link:calculationLink link:definitionLink 2428418 - Disclosure - LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES - Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 2429419 - Disclosure - LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES - LAE by Accident Year (Details) link:presentationLink link:calculationLink link:definitionLink 2430420 - Disclosure - LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES - Historical Claims (Details) link:presentationLink link:calculationLink link:definitionLink 2131106 - Disclosure - REINSURANCE link:presentationLink link:calculationLink link:definitionLink 2332305 - Disclosure - REINSURANCE (Tables) link:presentationLink link:calculationLink link:definitionLink 2433421 - Disclosure - REINSURANCE (Details) link:presentationLink link:calculationLink link:definitionLink 2134107 - Disclosure - EMPLOYEE BENEFIT PLANS link:presentationLink link:calculationLink link:definitionLink 2435422 - Disclosure - EMPLOYEE BENEFIT PLANS (Details) link:presentationLink link:calculationLink link:definitionLink 2136108 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 2337306 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 2438423 - Disclosure - LONG-TERM DEBT - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2439424 - Disclosure - LONG-TERM DEBT - Schedule Of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2440425 - Disclosure - LONG-TERM DEBT - Debt Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2141109 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2342307 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 2443426 - Disclosure - INCOME TAXES - Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 2444427 - Disclosure - INCOME TAXES - Effective Income Tax Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 2445428 - Disclosure - INCOME TAXES - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2446429 - Disclosure - INCOME TAXES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2147110 - Disclosure - CAPITAL STOCK link:presentationLink link:calculationLink link:definitionLink 2348308 - Disclosure - CAPITAL STOCK (Tables) link:presentationLink link:calculationLink link:definitionLink 2449430 - Disclosure - CAPITAL STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 2450431 - Disclosure - CAPITAL STOCK - Schedule of Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2151111 - Disclosure - SHARE-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2352309 - Disclosure - SHARE-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2453432 - Disclosure - SHARE-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2454433 - Disclosure - SHARE-BASED COMPENSATION - Share-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2455434 - Disclosure - SHARE-BASED COMPENSATION - RSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2456435 - Disclosure - SHARE-BASED COMPENSATION - Valuation Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 2457436 - Disclosure - SHARE-BASED COMPENSATION - Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2458437 - Disclosure - SHARE-BASED COMPENSATION - Exercise Price Range (Details) link:presentationLink link:calculationLink link:definitionLink 2159112 - Disclosure - RELATED PARTY LOANS link:presentationLink link:calculationLink link:definitionLink 2460438 - Disclosure - RELATED PARTY LOANS (Details) link:presentationLink link:calculationLink link:definitionLink 2161113 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2362310 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2463439 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 2164114 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 2365311 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables) link:presentationLink link:calculationLink link:definitionLink 2466440 - Disclosure - OTHER COMPREHENSIVE INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) link:presentationLink link:calculationLink link:definitionLink 2167115 - Disclosure - LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 2368312 - Disclosure - LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2469441 - Disclosure - LOSS PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 2470442 - Disclosure - LOSS PER SHARE - Schedule of Anti-Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2171116 - Disclosure - STATUTORY FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 2372313 - Disclosure - STATUTORY FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2473443 - Disclosure - STATUTORY FINANCIAL INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2174117 - Disclosure - GEOGRAPHICAL BREAKDOWN OF DIRECT WRITTEN PREMIUM link:presentationLink link:calculationLink link:definitionLink 2375314 - Disclosure - GEOGRAPHICAL BREAKDOWN OF DIRECT WRITTEN PREMIUM (Tables) link:presentationLink link:calculationLink link:definitionLink 2476444 - Disclosure - GEOGRAPHICAL BREAKDOWN OF DIRECT WRITTEN PREMIUM (Details) link:presentationLink link:calculationLink link:definitionLink 2177118 - Disclosure - SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 2378315 - Disclosure - SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables) link:presentationLink link:calculationLink link:definitionLink 2479445 - Disclosure - SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) link:presentationLink link:calculationLink link:definitionLink 2180119 - Disclosure - Schedule II: Condensed Combined Financial Information of Registrant link:presentationLink link:calculationLink link:definitionLink 2481446 - Disclosure - Schedule II: Condensed Combined Financial Information of Registrant - Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 2482447 - Disclosure - Schedule II: Condensed Combined Financial Information of Registrant - Balance Sheet Additional (Details) link:presentationLink link:calculationLink link:definitionLink 2483448 - Disclosure - Schedule II: Condensed Combined Financial Information of Registrant - Statement of Operations and Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 2484449 - Disclosure - Schedule II: Condensed Combined Financial Information of Registrant - Statement of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 2185120 - Disclosure - Schedule V: Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 2486450 - Disclosure - Schedule V: Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink