XML 88 R70.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Insurance Operations - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Statutory Accounting Practices [Line Items] |  |  |
Dividend paid to immediate parent company | $ 164,100,000 | $ 231,900,000 | $ 149,900,000
UPCIC |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Dividend paid to immediate parent company | 0 | 0 |
APPCIC |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Dividend paid to immediate parent company | $ 0 | $ 0 |
UPCIC and APPCIC |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Minimum capitalization rate | 10.00% |  |
UPCIC and APPCIC | Minimum |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Minimum capitalization amount | $ 15,000,000 |  |

X
- Definition This element represents disclosure of the aggregate cash dividends paid to the entity by consolidated subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
Name: | us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
Name: | us-gaap_StatutoryAccountingPracticesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of statutory capital required to be maintained as of the balance sheet date under prescribed or permitted statutory accounting practices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479989/944-505-50-1 + Details
Name: | us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the minimum amount of capitalization required by regulatory agencies as a percentage of total liabilities. + References No definition available. + Details
Name: | uve_MinimumCapitalizationRate
Namespace Prefix: | uve_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=uve_UniversalPropertyAndCasualtyInsuranceCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=uve_AmericanPlatinumPropertyAndCasualtyInsuranceCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatutoryAccountingPracticesByJurisdictionAxis=uve_AmericanPlatinumPropertyAndCasualtyInsuranceCompanyAndUniversalPropertyAndCasualtyInsuranceCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |