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Significant Accounting Policies (Policies) | 9 Months Ended
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Sep. 30, 2023
Accounting Policies [Abstract] |
Summary of Operations [Policy Text Block] | Summary of Operations Palomar Holdings, Inc. (the “Company”) is a Delaware incorporated insurance holding company that was founded in 2014. The Company has several wholly owned subsidiaries including an Oregon domiciled insurance company, Palomar Specialty Insurance Company (“PSIC”), a Bermuda based reinsurance company, Palomar Specialty Reinsurance Company Bermuda Ltd. (“PSRE”), an Arizona domiciled surplus lines insurance company, Palomar Excess and Surplus Insurance Company (“PESIC”), a California domiciled property and casualty insurance agency, Palomar Insurance Agency, DBA Palomar General Insurance Agency (“PGIA”), and a Delaware incorporated management company, Palomar Underwriters Exchange Organization, Inc. ("PUEO"), that provides services to Laulima Exchange (“Laulima”), a Hawaii domiciled reciprocal exchange, as its attorney-in-fact.
Basis of Accounting, Policy [Policy Text Block] | Basis of Presentation The accompanying condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and include the accounts of the Company and its wholly‑owned subsidiaries. The condensed consolidated financial statements also include the accounts of Laulima, as Laulima is a variable interest entity ("VIE") for which the Company is the primary beneficiary. Currently Laulima does not hold a material amount of assets or liabilities. These condensed consolidated financial statements do not contain all information and footnotes required by U.S. GAAP for complete consolidated financial statements. For a more complete description of the Company’s business and accounting policies, these condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on March 1, 2023 (the “2022 Annual Report on Form 10-K”). In the opinion of management, all adjustments necessary for a fair presentation of the condensed consolidated financial statements have been included. Such adjustments consist only of normal recurring items. All intercompany balances and transactions have been eliminated in consolidation. Interim results are not necessarily indicative of results of operations for the full year.
Use of Estimates, Policy [Policy Text Block] | Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect amounts reported in the condensed consolidated financial statements and accompanying notes. Such estimates and assumptions could change in the future as more information becomes known, which could impact the amounts reported and disclosed herein. All revisions to accounting estimates are recognized in the period in which the estimates are revised. Significant estimates reflected in the Company’s condensed consolidated financial statements include, but are not limited to, reserves for losses and loss adjustment expenses, reinsurance recoverables on unpaid losses, and the fair values of investments.
New Accounting Pronouncements, Policy [Policy Text Block] | Recent Accounting Pronouncements Recently adopted accounting pronouncements The Company has not adopted any new accounting guidance during the nine months ended September 30, 2023. Recently issued accounting pronouncements not yet adopted There are not currently any recent accounting pronouncements or pending accounting guidance that have significance, or potential significance, to the Company’s consolidated financial statements.

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