2.4.0.8 Html 178 216 1 true 48 0 false 7 false false R1.htm 0001000 - Document - Document & Entity Information Document Sheet http://www.upcic.com/role/DocumentEntityInformationDocument Document & Entity Information Document true false R2.htm 1002000 - Statement - Consolidated Balance Sheets Sheet http://www.upcic.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 1002001 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://www.upcic.com/role/ConsolidatedBalanceSheetsParentheticals Consolidated Balance Sheets (Parentheticals) false false R4.htm 1003000 - Statement - Consolidated Statements of Income Sheet http://www.upcic.com/role/ConsolidatedStatementsOfIncome Consolidated Statements of Income false false R5.htm 1004000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.upcic.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows false false R6.htm 2101100 - Disclosure - Organization, Consolidation and Presentation Sheet http://www.upcic.com/role/OrganizationConsolidationAndPresentation Organization, Consolidation and Presentation false false R7.htm 2102100 - Disclosure - Significant Accounting Policies Sheet http://www.upcic.com/role/SignificantAccountingPolicies Significant Accounting Policies false false R8.htm 2103100 - Disclosure - Investments Sheet http://www.upcic.com/role/Investments Investments false false R9.htm 2104100 - Disclosure - Earnings Per Share Sheet http://www.upcic.com/role/EarningsPerShare Earnings Per Share false false R10.htm 2105100 - Disclosure - Reinsurance Sheet http://www.upcic.com/role/Reinsurance Reinsurance false false R11.htm 2106100 - Disclosure - Long-Term Debt Sheet http://www.upcic.com/role/LongTermDebt Long-Term Debt false false R12.htm 2107100 - Disclosure - Commitments and Contingencies Sheet http://www.upcic.com/role/CommitmentsAndContingencies Commitments and Contingencies false false R13.htm 2108100 - Disclosure - Statutory Accounting and Regulation Sheet http://www.upcic.com/role/StatutoryAccountingAndRegulation Statutory Accounting and Regulation false false R14.htm 2109100 - Disclosure - Accumulated Other Comprehensive Income Sheet http://www.upcic.com/role/AccumulatedOtherComprehensiveIncome Accumulated Other Comprehensive Income false false R15.htm 2110100 - Disclosure - Stockholders' Equity Sheet http://www.upcic.com/role/StockholdersEquity Stockholders' Equity false false R16.htm 2111100 - Disclosure - Stock-Based Compensation Sheet http://www.upcic.com/role/StockBasedCompensation Stock-Based Compensation false false R17.htm 2112100 - Disclosure - Subsequent Events Subsequent Events Sheet http://www.upcic.com/role/SubsequentEventsSubsequentEvents Subsequent Events Subsequent Events false false R18.htm 2202201 - Disclosure - Significant Accounting Policies Significant Accounting Policies - Narative (Policies) Sheet http://www.upcic.com/role/SignificantAccountingPoliciesSignificantAccountingPoliciesNarativePolicies Significant Accounting Policies Significant Accounting Policies - Narative (Policies) false false R19.htm 2303301 - Disclosure - Investments Investments (Tables) Sheet http://www.upcic.com/role/InvestmentsInvestmentsTables Investments Investments (Tables) false false R20.htm 2304301 - Disclosure - Earnings Per Share Earnings Per Share (Tables) Sheet http://www.upcic.com/role/EarningsPerShareEarningsPerShareTables Earnings Per Share Earnings Per Share (Tables) false false R21.htm 2305301 - Disclosure - Reinsurance Reinsurance (Tables) Sheet http://www.upcic.com/role/ReinsuranceReinsuranceTables Reinsurance Reinsurance (Tables) false false R22.htm 2309301 - Disclosure - Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Tables) Sheet http://www.upcic.com/role/AccumulatedOtherComprehensiveIncomeAccumulatedOtherComprehensiveIncomeTables Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Tables) false false R23.htm 2311301 - Disclosure - Stock-Based Compensation Stock-Based Compensation (Tables) Sheet http://www.upcic.com/role/StockBasedCompensationStockBasedCompensationTables Stock-Based Compensation Stock-Based Compensation (Tables) false false R24.htm 2401401 - Disclosure - Organization, Consolidation and Presentation Organization, Consolidation and Presentation - Narrative (Details) Sheet http://www.upcic.com/role/OrganizationConsolidationAndPresentationOrganizationConsolidationAndPresentationNarrativeDetails Organization, Consolidation and Presentation Organization, Consolidation and Presentation - Narrative (Details) false false R25.htm 2403402 - Disclosure - Investments Investments - Narrative (Details) Sheet http://www.upcic.com/role/InvestmentsInvestmentsNarrativeDetails Investments Investments - Narrative (Details) false false R26.htm 2403403 - Disclosure - Investments Reconciliation, Investments by Category (Details) Sheet http://www.upcic.com/role/InvestmentsReconciliationInvestmentsByCategoryDetails Investments Reconciliation, Investments by Category (Details) false false R27.htm 2403404 - Disclosure - Investments Gains and Losses by Security Type (Details) Sheet http://www.upcic.com/role/InvestmentsGainsAndLossesBySecurityTypeDetails Investments Gains and Losses by Security Type (Details) false false R28.htm 2403405 - Disclosure - Investments Classified by Maturity Date (Details) Sheet http://www.upcic.com/role/InvestmentsClassifiedByMaturityDateDetails Investments Classified by Maturity Date (Details) false false R29.htm 2403406 - Disclosure - Investments Net Investment Income by Major Category (Details) Sheet http://www.upcic.com/role/InvestmentsNetInvestmentIncomeByMajorCategoryDetails Investments Net Investment Income by Major Category (Details) false false R30.htm 2403407 - Disclosure - Investments Aging of Unrealized Losses by Class (Details) Sheet http://www.upcic.com/role/InvestmentsAgingOfUnrealizedLossesByClassDetails Investments Aging of Unrealized Losses by Class (Details) false false R31.htm 2403408 - Disclosure - Investments by Category and Level (Details) Sheet http://www.upcic.com/role/InvestmentsByCategoryAndLevelDetails Investments by Category and Level (Details) false false R32.htm 2404402 - Disclosure - Earnings Per Share Schedule of Earnings Per Share (Details) Sheet http://www.upcic.com/role/EarningsPerShareScheduleOfEarningsPerShareDetails Earnings Per Share Schedule of Earnings Per Share (Details) false false R33.htm 2405402 - Disclosure - Reinsurance Reinsurance - Narrative (Details) Sheet http://www.upcic.com/role/ReinsuranceReinsuranceNarrativeDetails Reinsurance Reinsurance - Narrative (Details) false false R34.htm 2405403 - Disclosure - Reinsurance Ceded Premiums Earned by type (Details) Sheet http://www.upcic.com/role/ReinsuranceCededPremiumsEarnedByTypeDetails Reinsurance Ceded Premiums Earned by type (Details) false false R35.htm 2405404 - Disclosure - Reinsurance Liability For Catastrophe Claims Disclosure (Details) Sheet http://www.upcic.com/role/ReinsuranceLiabilityForCatastropheClaimsDisclosureDetails Reinsurance Liability For Catastrophe Claims Disclosure (Details) false false R36.htm 2406401 - Disclosure - Long-Term Debt Long-Term Debt - Narrative (Details) Sheet http://www.upcic.com/role/LongTermDebtLongTermDebtNarrativeDetails Long-Term Debt Long-Term Debt - Narrative (Details) false false R37.htm 2408401 - Disclosure - Statutory Accounting and Regulation Statutory Accounting and Regulation - Narrative (Details) Sheet http://www.upcic.com/role/StatutoryAccountingAndRegulationStatutoryAccountingAndRegulationNarrativeDetails Statutory Accounting and Regulation Statutory Accounting and Regulation - Narrative (Details) false false R38.htm 2409402 - Disclosure - Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Details) Sheet http://www.upcic.com/role/AccumulatedOtherComprehensiveIncomeScheduleOfAccumulatedOtherComprehensiveIncomeDetails Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Details) false false R39.htm 2410401 - Disclosure - Stockholders' Equity Stockholders' Equity - Narrative (Details) Sheet http://www.upcic.com/role/StockholdersEquityStockholdersEquityNarrativeDetails Stockholders' Equity Stockholders' Equity - Narrative (Details) false false R40.htm 2411402 - Disclosure - Stock-Based Compensation Stock-Based Compensation - Narrative (Details) Sheet http://www.upcic.com/role/StockBasedCompensationStockBasedCompensationNarrativeDetails Stock-Based Compensation Stock-Based Compensation - Narrative (Details) false false R41.htm 2411403 - Disclosure - Stock-Based Compensation Schedule of Nonvested Shares Activity (Details) Sheet http://www.upcic.com/role/StockBasedCompensationScheduleOfNonvestedSharesActivityDetails Stock-Based Compensation Schedule of Nonvested Shares Activity (Details) false false R42.htm 2412401 - Disclosure - Subsequent Events Subsequent Events - Narrative (Details) Sheet http://www.upcic.com/role/SubsequentEventsSubsequentEventsNarrativeDetails Subsequent Events Subsequent Events - Narrative (Details) false false All Reports Book All Reports Element uihc_CatastrophicEventsSizeofLosses had a mix of decimals attribute values: -6 -3. Element us-gaap_LongTermNotesPayable had a mix of decimals attribute values: -3 0. Element us-gaap_ProceedsFromIssuanceOfCommonStock had a mix of decimals attribute values: -3 0. 'Monetary' elements on report '1004000 - Statement - Consolidated Statements of Cash Flows' had a mix of different decimal attribute values. Process Flow-Through: 1002000 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Mar. 31, 2013' Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: 1002001 - Statement - Consolidated Balance Sheets (Parentheticals) Process Flow-Through: 1003000 - Statement - Consolidated Statements of Income Process Flow-Through: Removing column '0 Months Ended May 01, 2014' Process Flow-Through: Removing column '0 Months Ended Feb. 24, 2014' Process Flow-Through: Removing column '0 Months Ended Nov. 05, 2013' Process Flow-Through: Removing column '0 Months Ended Aug. 06, 2013' Process Flow-Through: Removing column '0 Months Ended May 07, 2013' Process Flow-Through: Removing column '0 Months Ended Mar. 06, 2013' Process Flow-Through: 1004000 - Statement - Consolidated Statements of Cash Flows uihc-20140331.xml uihc-20140331.xsd uihc-20140331_cal.xml uihc-20140331_def.xml uihc-20140331_lab.xml uihc-20140331_pre.xml true true