Nature of Operations	6 Months Ended
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	Note 1 -- Nature of Operations HCI Group, Inc., together with its subsidiaries (“HCI” or the “Company”), is primarily engaged in the property and casualty insurance business through two Florida domiciled insurance companies, Homeowners Choice Property & Casualty Insurance Company, Inc. (“HCPCI”) and TypTap Insurance Company (“TypTap”). Both HCPCI and TypTap are authorized to underwrite various homeowners’ property and casualty insurance products and allied lines business in the state of Florida and in other states. The operations of each insurance subsidiary are supported by HCI Group, Inc. and certain HCI subsidiaries. The operations of TypTap are also supported by TypTap Insurance Group, Inc. (“TTIG”), the Company’s majority-owned subsidiary, and certain TTIG subsidiaries. The Company emphasizes the use of internally developed technologies to collect and analyze claims and other supplemental data to assist in the underwriting process and generate savings as well as efficiency for the operations of the insurance subsidiaries and other insurance-related businesses. The Company also provides an attorney-in-fact (“AIF”) service. The Company's subsidiary, Core Risk Managers, LLC (“CRM”), serves as the AIF for Condo Owners Reciprocal Exchange (“CORE”), a reciprocal insurance exchange owned by its policyholders. Although the Company does not have any equity interest in CORE, the Company is required to consolidate CORE as its primary beneficiary. See Note 13 -- “Variable Interest Entity” for additional information. In addition, Greenleaf Capital, LLC, the Company’s real estate subsidiary, is primarily engaged in the business of owning and leasing real estate and operating marina facilities. Assumed Business Citizens Assumption During the second quarter of 2024, the Company continued to participate in a take-out program through which the Company assumed insurance policies held by Citizens Property Insurance Corporation (“Citizens”), a Florida state-supported insurer. During the three and six months ended June 30, 2024, approximately 300 and 10,100 policies, respectively, were assumed by TypTap and CORE. These policies represent approximately $120,100 in annualized premiums written.

Nature of Operations

6 Months Ended

Jun. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Note 1 -- Nature of Operations

HCI Group, Inc., together with its subsidiaries (“HCI” or the “Company”), is primarily engaged in the property and casualty insurance business through two Florida domiciled insurance companies, Homeowners Choice Property & Casualty Insurance Company, Inc. (“HCPCI”) and TypTap Insurance Company (“TypTap”). Both HCPCI and TypTap are authorized to underwrite various homeowners’ property and casualty insurance products and allied lines business in the state of Florida and in other states. The operations of each insurance subsidiary are supported by HCI Group, Inc. and certain HCI subsidiaries. The operations of TypTap are also supported by TypTap Insurance Group, Inc. (“TTIG”), the Company’s majority-owned subsidiary, and certain TTIG subsidiaries. The Company emphasizes the use of internally developed technologies to collect and analyze claims and other supplemental data to assist in the underwriting process and generate savings as well as efficiency for the operations of the insurance subsidiaries and other insurance-related businesses. The Company also provides an attorney-in-fact (“AIF”) service. The Company's subsidiary, Core Risk Managers, LLC (“CRM”), serves as the AIF for Condo Owners Reciprocal Exchange (“CORE”), a reciprocal insurance exchange owned by its policyholders. Although the Company does not have any equity interest in CORE, the Company is required to consolidate CORE as its primary beneficiary. See Note 13 -- “Variable Interest Entity” for additional information. In addition, Greenleaf Capital, LLC, the Company’s real estate subsidiary, is primarily engaged in the business of owning and leasing real estate and operating marina facilities.

Assumed Business

Citizens Assumption

During the second quarter of 2024, the Company continued to participate in a take-out program through which the Company assumed insurance policies held by Citizens Property Insurance Corporation (“Citizens”), a Florida state-supported insurer. During the three and six months ended June 30, 2024, approximately 300 and 10,100 policies, respectively, were assumed by TypTap and CORE. These policies represent approximately $120,100 in annualized premiums written.