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

No definition available.

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Namespace Prefix:	hci_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Definition

Nature of operations.

+ References

No definition available.

+ Details

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- Definition

Percentage of commission on aggregate replacement premium.

+ References

No definition available.

+ Details

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- Definition

Percentage of quota share reinsurance that each insurance subsidiary assumes.

+ References

No definition available.

+ Details

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

- Definition

Quota share reinsurance percentage.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of cost allowance to premiums written.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Time Limit for Claim Filing

+ References

No definition available.

+ Details

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Namespace Prefix:	hci_
Data Type:	xbrli:durationItemType
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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.7(a))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

+ Details

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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

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

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Balance Type:
Period Type:

- Details

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Data Type:	na
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- Details

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Period Type:

- Details

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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Data Type:	na
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- Details

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- Details

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- Details

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Nature of Operations - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended	5 Months Ended	11 Months Ended	12 Months Ended
	Jun. 01, 2021	Dec. 31, 2022	May 31, 2022	Nov. 30, 2022	May 31, 2023	Dec. 31, 2022	May 31, 2022	Dec. 31, 2021	Jun. 01, 2022	Dec. 31, 2020
Nature Of Operations [Line Items]
Commission percentage on aggregate replacement premium						6.00%
Issuance of common stock, shares								100,000
United Insurance Holdings Corporation [Member]
Nature Of Operations [Line Items]
Quota share reinsurance percentage										69.50%
Maximum [Member] \| Initial or Reopened Claims [Member]
Nature Of Operations [Line Items]
Time limit for filing claim		1 year		2 years
Maximum [Member] \| Supplemental Claims [Member]
Nature Of Operations [Line Items]
Time limit for filing claim		18 months		3 years
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								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 share 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 share 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 share reinsurance percentage								85.00%
Cost allowance percentage			9.00%
Deferred policy acquisition costs, percentage of provisional ceding commission of premium			25.00%