Basis of Presentation and Significant Accounting Policies (Policies)	6 Months Ended
Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The condensed consolidated financial statements include the accounts of Heritage Insurance Holdings, Inc. (together with its subsidiaries, the “Company”). These statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Certain financial information that is normally included in annual consolidated financial statements prepared in accordance with GAAP, but that is not required for interim reporting purposes, has been omitted. In the opinion of the Company’s management, all material intercompany transactions and balances have been eliminated and all adjustments consisting of normal recurring accruals which are necessary for a fair statement of the financial condition and results of operations for the interim periods have been reflected. The accompanying interim condensed consolidated financial statements and related footnotes should be read in conjunction with the Company’s audited consolidated financial statements and related footnotes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021 filed on March 14, 2022 (the “2021 Form 10-K”)
Reclassification	Reclassification Certain prior year amounts reported on the condensed consolidated balance sheet have been reclassified to conform to the current year presentation.
Accounting Pronouncements	Accounting Pronouncements adopted In August 2020, the FASB issued ASU 2020-06, "Accounting for Convertible Instruments and Contracts in an Entity's Own Equity" . The ASU i) simplifies the accounting for convertible debt and convertible preferred stock by reducing the number of accounting models, and amends certain disclosures, ii) amends and simplifies the derivative scope exception guidance for contracts in an entity's own equity, including share-based compensation, and iii) amends the diluted earnings per share calculations for convertible instruments and contracts in an entity's own equity. The if-converted method will be the only permissible method for computing the dilutive effect of the convertible debt instruments. Interest expense no longer includes amortization of debt discount. The Company adopted the guidance of ASU 2020-06 on January 1, 2022, reporting no material impact to the Company's consolidated condensed financial statements or disclosures. Accounting Pronouncements not yet adopted In March 2022, the FASB issued ASU 2022-02, “2022-02 Financial Instruments-Credit Losses” (Topic 326): Troubled Debt Restructurings and Vintage Disclosures (“ASU 2022-02”). ASU 2022-02 requires that an entity disclose current-period gross write-offs by year of origination for financing receivables and net investments in leases. ASU 2022-02 is effective for annual periods beginning after December 15, 2022, including interim periods within those periods. Early adoption is permitted. The Company will adopt ASU 2022-02 during the first quarter of 2023 and will provide the required disclosures, if determined to be material. The Company has documented the summary of its significant accounting policies in its Notes to the Audited Consolidated Financial Statements annual report on Form 10-K. There have been no material changes to the Company’s accounting policies since the filing of that report. No other new accounting pronouncements issued but not yet effective have had, or are expected to have, a material impact on the Company’s results of operations or financial position.

Basis of Presentation and Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The condensed consolidated financial statements include the accounts of Heritage Insurance Holdings, Inc. (together with its subsidiaries, the “Company”). These statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Certain financial information that is normally included in annual consolidated financial statements prepared in accordance with GAAP, but that is not required for interim reporting purposes, has been omitted. In the opinion of the Company’s management, all material intercompany transactions and balances have been eliminated and all adjustments consisting of normal recurring accruals which are necessary for a fair statement of the financial condition and results of operations for the interim periods have been reflected. The accompanying interim condensed consolidated financial statements and related footnotes should be read in conjunction with the Company’s audited consolidated financial statements and related footnotes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021 filed on March 14, 2022 (the “2021 Form 10-K”)

Reclassification

Certain prior year amounts reported on the condensed consolidated balance sheet have been reclassified to conform to the current year presentation.

Accounting Pronouncements

Accounting Pronouncements adopted

In August 2020, the FASB issued ASU 2020-06, "Accounting for Convertible Instruments and Contracts in an Entity's Own Equity" . The ASU i) simplifies the accounting for convertible debt and convertible preferred stock by reducing the number of accounting models, and amends certain disclosures, ii) amends and simplifies the derivative scope exception guidance for contracts in an entity's own equity, including share-based compensation, and iii) amends the diluted earnings per share calculations for convertible instruments and contracts in an entity's own equity. The if-converted method will be the only permissible method for computing the dilutive effect of the convertible debt instruments. Interest expense no longer includes amortization of debt discount. The Company adopted the guidance of ASU 2020-06 on January 1, 2022, reporting no material impact to the Company's consolidated condensed financial statements or disclosures.

Accounting Pronouncements not yet adopted

In March 2022, the FASB issued ASU 2022-02, “2022-02 Financial Instruments-Credit Losses” (Topic 326): Troubled Debt Restructurings and Vintage Disclosures (“ASU 2022-02”). ASU 2022-02 requires that an entity disclose current-period gross write-offs by year of origination for financing receivables and net investments in leases. ASU 2022-02 is effective for annual periods beginning after December 15, 2022, including interim periods within those periods. Early adoption is permitted. The Company will adopt ASU 2022-02 during the first quarter of 2023 and will provide the required disclosures, if determined to be material.

The Company has documented the summary of its significant accounting policies in its Notes to the Audited Consolidated Financial Statements annual report on Form 10-K. There have been no material changes to the Company’s accounting policies since the filing of that report.

No other new accounting pronouncements issued but not yet effective have had, or are expected to have, a material impact on the Company’s results of operations or financial position.