XML 106 R95.htm IDEA: XBRL DOCUMENT
v3.20.2

Leases - Summarizes the Company's operating and finance leases in which the Company (Detail) | 9 Months Ended
--- | ---
Sep. 30, 2020
Office Equipment [Member] |
Operating lease: |
Renewal Option | Yes
Office Equipment [Member] | Minimum [Member] |
Operating lease: |
Initial Term | 1 month
Finance lease: |
Initial Term | 3 years
Office Equipment [Member] | Maximum [Member] |
Operating lease: |
Initial Term | 63 months
Finance lease: |
Initial Term | 5 years
Office space [Member] |
Operating lease: |
Renewal Option | Yes
Office space [Member] | Minimum [Member] |
Operating lease: |
Initial Term | 3 years
Office space [Member] | Maximum [Member] |
Operating lease: |
Initial Term | 10 years

X
- Definition Description of renewal option of lessee. + References No definition available. + Details
Name: | hci_DescriptionOfRenewalOptionOfLessee
Namespace Prefix: | hci_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Finance lease + References No definition available. + Details
Name: | hci_FinanceLeaseAbstract
Namespace Prefix: | hci_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating lease. + References No definition available. + Details
Name: | hci_OperatingLeaseAbstract
Namespace Prefix: | hci_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeFinanceLeaseTermOfContract1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=hci_OfficeSpaceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |