Other Assets - Summary of Other Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Benefits receivable related to retrospective reinsurance contracts	$ 10,938	$ 3,064
Reimbursement receivable under TPA service	1,519	3,525
Prepaid expenses	4,560	2,853
Deposits	2,577	406
Lease acquisition costs, net	570	505
Other	8,632	4,364
Total other assets	$ 28,796	$ 14,717

Represents retrospective reinsurance contract cash benefits which will be received at the end of contract term.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Assets classified as other assets aggregated in the Company's footnote disclosure as other.

+ References

No definition available.

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- Definition

Reimbursements receivable under third-party administrator claims processing service

+ References

No definition available.

+ Details

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Namespace Prefix:	hci_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

+ Details

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- Definition

This element represents costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This element is net of accumulated amortization.

+ References

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- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment in the future.

+ References

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Period Type:	instant

- Definition

Amount of assets classified as other.

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- Definition

Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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