A threshold amount of aggregate replacement premium before the commission rate is applicable.

No definition available.

Name:	hci_AggregateReplacementPremium
Namespace Prefix:	hci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of premiums for insurance coverage over a period of one year.

+ References

No definition available.

+ Details

Name:	hci_AnnualizedPremiumsWritten
Namespace Prefix:	hci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the number of policies the company actually assumes.

+ References

No definition available.

+ Details

Name:	hci_AssumedPolicies
Namespace Prefix:	hci_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Deferred policy acquisition costs percentage of provisional ceding commission of premium.

+ References

No definition available.

+ Details

Name:	hci_DeferredPolicyAcquisitionCostsPercentageOfProvisionalCedingCommissionOfPremium
Namespace Prefix:	hci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Nature of operations.

+ References

No definition available.

+ Details

Name:	hci_NatureOfOperationsLineItems
Namespace Prefix:	hci_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of commission on aggregate replacement premium.

+ References

No definition available.

+ Details

Name:	hci_PercentageOfCommissionOnAggregateReplacementPremium
Namespace Prefix:	hci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of quota share reinsurance that each insurance subsidiary assumes.

+ References

No definition available.

+ Details

Name:	hci_PercentageOfEachInsuranceSubsidiaryAssumes
Namespace Prefix:	hci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of policies the company is approved to assume.

+ References

No definition available.

+ Details

Name:	hci_PoliciesApprovedToAssume
Namespace Prefix:	hci_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Quota Shares Reinsurance Percentage

+ References

No definition available.

+ Details

Name:	hci_QuotaSharesReinsurancePercentage
Namespace Prefix:	hci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of cost allowance to premiums written.

+ References

No definition available.

+ Details

Name:	hci_RateOfCostAllowance
Namespace Prefix:	hci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The expense incurred by an insurance company to persons or entities for generating or placing insurance or investment contracts with the company, usually determined as a percentage of policy or contract premiums. Excludes advances or draws to be applied against commissions earned.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(7)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

+ Details

Name:	us-gaap_InsuranceCommissions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_CounterpartyNameAxis=hci_UnitedInsuranceHoldingsCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=hci_RenewalRightsAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=hci_HundredPercentQuotaShareReinsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=hci_TypTapInsuranceCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=hci_EightyFivePercentQuotaShareReinsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=hci_HomeownersChoicePropertyAndCasualtyInsuranceCompanyIncorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=hci_CitizensMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Nature of Operations - Additional Information (Detail) $ in Thousands		1 Months Ended	5 Months Ended	12 Months Ended
	Dec. 31, 2020	Feb. 28, 2022	May 31, 2022	Dec. 31, 2023 USD ($) InsurancePolicy	May 31, 2023	Dec. 31, 2022 USD ($)	May 31, 2022	Dec. 31, 2021 USD ($) shares
Nature Of Operations [Line Items]
Commission percentage on aggregate replacement premium						6.00%
United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Quota Shares Reinsurance Percentage	69.50%
Renewal Rights Agreement [Member] \| United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Commission percentage on aggregate replacement premium				6.00%				6.00%
Issuance of common stock shares \| shares								100,000
Renewal Rights Agreement [Member] \| Maximum [Member] \| United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Aggregate ceding commission						$ 6,000		$ 3,100
Total commission						$ 6,000		3,100
Renewal Rights Agreement [Member] \| Minimum [Member] \| United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Aggregate replacement premium								$ 80,000
Hundred Percent Quota Share Reinsurance [Member] \| United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Quota Shares Reinsurance Percentage							100.00%
Percentage of quota share reinsurance each insurance subsidiary assumes							50.00%
Deferred policy acquisition costs, percentage of provisional ceding commission of premium							24.00%
Hundred Percent Quota Share Reinsurance [Member] \| TypTap Group [Member] \| United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Quota Shares Reinsurance Percentage					100.00%
Deferred policy acquisition costs, percentage of provisional ceding commission of premium					16.00%
Eighty Five Percent Quota Share Reinsurance [Member] \| HCPCI [Member] \| United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Quota Shares Reinsurance Percentage		85.00%
Cost allowance percentage			9.00%
Deferred policy acquisition costs, percentage of provisional ceding commission of premium			25.00%
Citizens [Member]
Nature Of Operations [Line Items]
Annualized Premiums Written				$ 226,400
Policies Approved To Assume \| InsurancePolicy				75,000
Citizens [Member] \| Minimum [Member]
Nature Of Operations [Line Items]
Assumed Policies \| InsurancePolicy				60,100