XML 75 R62.htm IDEA: XBRL DOCUMENT v3.22.4

Reinsurance - Current Ratings from Rating Agencies and Unsecured Net Amounts Due from Reinsurers Whose Aggregate Balance Exceeded 3% of Stockholders' Equity (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	$ 773,345	$ 200,967
Florida Hurricane Catastrophe Fund “FHCF”
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	134,411	136,298
D E Shaw Re (Bermuda) Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	16,680	0
Upsilon RFO Re Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	11,201	0
Allianz Risk Transfer (Bermuda) Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	0	44,618
AM Best Company A Plus Rating | Moody's, Aa3 Rating | Standard & Poor's, AA- Rating | Allianz Risk Transfer
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	285,323	0
AM Best Company A Plus Rating | Moody's, Aa3 Rating | Standard & Poor's, AA- Rating | Munich Reinsurance America Inc.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	14,616	0
AM Best Company A Plus Rating | Moody's A1 Rating | Standard & Poor's, A Plus Rating | Renaissance Reinsurance Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	38,768	20,051
AM Best Company A Plus Rating | Moody's A1 Rating | Standard & Poor's, A Plus Rating | Everest Reinsurance Co
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	11,536	0
AM Best, A Rating | Lumen Re Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	8,913	0
AM Best, A Rating | Standard & Poor's, A Plus Rating | Various Lloyd’s Of London Syndicates
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	101,482	0
AM Best, A Rating | Moody's, A2 Rating | Standard & Poor's, A Rating | Markel Bermuda Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	50,981	0
AM Best, A Rating | Moody's, A3 Rating | Standard & Poor's, A Plus Rating | DaVinci Reinsurance Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	48,115	0
AM Best, A++ Rating | Moody's, Aa3 Rating | Standard & Poor's, AA Rating | Chubb Tempest Reinsurance Ltd.
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	$ 51,319	$ 0

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_CededCreditRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents total unsecured net amounts due from reinsurers whose aggregate balance exceeded 3% of stockholders' equity as of the reporting date.

+ References

No definition available.

+ Details

Name:	uve_ReinsuranceUnsecuredAmountsDueFromReinsurers
Namespace Prefix:	uve_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_FloridaHurricaneCatastropheFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_DEShawReBermudaLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_UpsilonRFOReLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_AllianzRiskTransferBermudaLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingAMBestAxis=srt_AMBestAPlusRatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=srt_MoodysAa3RatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsAAMinusRatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_AllianzRiskTransferMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_MunichReinsuranceAmericaIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=srt_MoodysA1RatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsAPlusRatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_RenaissanceReinsuranceLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_EverestReinsuranceCoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingAMBestAxis=srt_AMBestARatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_LumenReLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_VariousLloydsOfLondonSyndicatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=srt_MoodysA2RatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsARatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_MarkelBermudaLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingMoodysAxis=srt_MoodysA3RatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_DaVinciReinsuranceLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingAMBestAxis=srt_AMBestAPlusPlusRatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CreditRatingStandardPoorsAxis=srt_StandardPoorsAARatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CededCreditRiskAxis=uve_ChubbTempestReinsuranceLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: