XML 73 R60.htm IDEA: XBRL DOCUMENT v3.23.1

Reinsurance (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Reinsurance Retention Policy
Document Period End Date	Mar. 31, 2023
Event Retention Level	$ 16,400
Catastrophe Excess of Loss
Reinsurance Retention Policy
Reinsurance, Excess Retention, Amount Reinsured, Per Policy	2,500,000
All Other Perils Excess of Loss
Reinsurance Retention Policy
Reinsurance, Excess Retention, Amount Reinsured, Per Policy	101,000
Interboro Insurance
Reinsurance Retention Policy
Event Retention Level	3,000
Interboro Insurance | Catastrophe Excess of Loss
Reinsurance Retention Policy
Reinsurance, Excess Retention, Amount Reinsured, Per Policy	$ 200,000

X

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:	dei_DocumentPeriodEndDate
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Event Retention Level

+ References

No definition available.

+ Details

Name:	uihc_EventRetentionLevel
Namespace Prefix:	uihc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount per policy of risk ceded to reinsurer in excess of risk undertaken originally by insurer that is not ceded to reinsurer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479838/944-20-50-3

+ Details

Name:	us-gaap_ReinsuranceRetentionExcessRetentionAmountReinsuredPerPolicy
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 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479838/944-20-50-3

+ Details

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

X

- Details

Name:	uihc_CatastropheReinsuranceContractAxis=uihc_CatastropheExcessOfLossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	uihc_CatastropheReinsuranceContractAxis=uihc_AllOtherPerilsExcessOfLossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	uihc_SubsidiaryAxis=uihc_InterboroInsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: