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v3.22.2

Organization, Consolidation and Presentation (Details) | 6 Months Ended
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Jun. 30, 2022 subsidiary states
Number of Wholly-Owned Subsidiaries |
Number of Wholly Owned Subsidiaries | subsidiary | 3
Number of States in which Entity Operates | 7
Additional Licensed States | 11

X
- Definition Number of Additional States in which Entity is Licensed + References No definition available. + Details
Name: | uihc_NumberofAdditionalStatesinwhichEntityisLicensed
Namespace Prefix: | uihc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Wholly-Owned Subsidiaries + References No definition available. + Details
Name: | uihc_NumberofWhollyOwnedSubsidiaries
Namespace Prefix: | uihc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Line Items] for Number of Wholly-Owned Subsidiaries [Table] + References No definition available. + Details
Name: | uihc_NumberofWhollyOwnedSubsidiariesLineItems
Namespace Prefix: | uihc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant