XML 127 R106.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Schedule II - Condensed Financial Information of Registrant - General - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Statutory Accounting Practices [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividend declared per common share (in dollars per share) |  | $ 0.29 | $ 0.16 | $ 0.14 | $ 0.14 | $ 0.27 | $ 0.14 | $ 0.14 | $ 0.14 | $ 0.27 | $ 0.14 | $ 0.14 | $ 0.14 | $ 0.73 | $ 0.69 | $ 0.69
Capital contributions to subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |
UPCIC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid to immediate parent company |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 30,000,000.0 | $ 0
APPCIC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend paid to immediate parent company |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Capital contributions to subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 2,000,000.0
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividend declared per common share (in dollars per share) | $ 0.16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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 -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(b)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDistributionsToAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 No definition available. + Details
Name: | us-gaap_StatutoryAccountingPracticesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |