XML 73 R98.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Measurements - Summarizes Carrying Value and Estimated Fair Values of Financial Instruments not Carried at Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Surplus Note [Member]    
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]    
Carrying value $ 17,280us-gaap_LongTermNotesPayable
/ us-gaap_FairValueByLiabilityClassAxis
= uve_SurplusNoteMember
$ 18,750us-gaap_LongTermNotesPayable
/ us-gaap_FairValueByLiabilityClassAxis
= uve_SurplusNoteMember
Surplus Note [Member] | Level 3 [Member]    
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]    
Estimated fair value 14,951us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByLiabilityClassAxis
= uve_SurplusNoteMember
15,900us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByLiabilityClassAxis
= uve_SurplusNoteMember
Term Loan [Member]    
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]    
Carrying value 13,330us-gaap_LongTermNotesPayable
/ us-gaap_FairValueByLiabilityClassAxis
= uve_TermLoanMember
18,490us-gaap_LongTermNotesPayable
/ us-gaap_FairValueByLiabilityClassAxis
= uve_TermLoanMember
Term Loan [Member] | Level 3 [Member]    
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]    
Estimated fair value $ 13,330us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByLiabilityClassAxis
= uve_TermLoanMember
$ 18,490us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByLiabilityClassAxis
= uve_TermLoanMember