XML 77 R66.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Other Assets - Additional Information (Detail) $ in Thousands | 1 Months Ended
--- | ---
Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) Contract
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Cash payments received from retrospective reinsurance contracts | $ | $ 5,716 | $ 37,800
Number of retrospective reinsurance contracts | Contract |  | 2

X
- Definition Number of retrospective reinsurance contracts. + References No definition available. + Details
Name: | hci_NumberOfRetrospectiveReinsuranceContracts
Namespace Prefix: | hci_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash receipt in connection with multi-year retrospectively rated reinsurance contracts. + References No definition available. + Details
Name: | hci_PremiumRefundFromReinsuranceContract
Namespace Prefix: | hci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration