Significant Accounting Policies	6 Months Ended
Jun. 30, 2026
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies The information included in the foregoing interim condensed consolidated financial statements is unaudited. In the opinion of management, all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the Company’s financial position and results of operations for the interim periods presented have been reflected herein. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. These interim condensed consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements and the notes thereto included in the 2025 Combined Form 10-K. Subsequent events, if any, are evaluated through the date on which the financial statements are issued. The Company's direct wholly owned subsidiary Lamar Media Corp. ("Lamar Media") is party to the Amended and Restated Limited Partnership Agreement of Lamar Advertising Limited Partnership ('Lamar LP") as the initial limited partner, along with its wholly owned subsidiary, Lamar Advertising General Partner, LLC, as the general partner of Lamar LP (the "General Partner") and certain other limited partners. Lamar Media formed Lamar LP and contributed all of its assets to Lamar LP in connection with the Company's reorganization as a specific type of REIT known as an Umbrella Partnership Real Estate Investment Trust ("UPREIT") in July 2022. For each share of common stock the Company issues, Lamar LP issues a corresponding Common Unit to Lamar Media in exchange for the contributions of the proceeds from the stock issuance. At June 30, 2026, Lamar Media, together with the General Partner, owned 98.5% of the Common Units of Lamar LP. The remaining 1.5% of the Common Units are owned by unaffiliated investors and certain executives of the Company.

Significant Accounting Policies

6 Months Ended

Jun. 30, 2026

The information included in the foregoing interim condensed consolidated financial statements is unaudited. In the opinion of management, all adjustments, consisting of normal recurring adjustments, necessary for a fair presentation of the Company’s financial position and results of operations for the interim periods presented have been reflected herein. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. These interim condensed consolidated financial statements should be read in conjunction with the Company’s consolidated financial statements and the notes thereto included in the 2025 Combined Form 10-K. Subsequent events, if any, are evaluated through the date on which the financial statements are issued.

The Company's direct wholly owned subsidiary Lamar Media Corp. ("Lamar Media") is party to the Amended and Restated Limited Partnership Agreement of Lamar Advertising Limited Partnership ('Lamar LP") as the initial limited partner, along with its wholly owned subsidiary, Lamar Advertising General Partner, LLC, as the general partner of Lamar LP (the "General Partner") and certain other limited partners. Lamar Media formed Lamar LP and contributed all of its assets to Lamar LP in connection with the Company's reorganization as a specific type of REIT known as an Umbrella Partnership Real Estate Investment Trust ("UPREIT") in July 2022.

For each share of common stock the Company issues, Lamar LP issues a corresponding Common Unit to Lamar Media in exchange for the contributions of the proceeds from the stock issuance. At June 30, 2026, Lamar Media, together with the General Partner, owned 98.5% of the Common Units of Lamar LP. The remaining 1.5% of the Common Units are owned by unaffiliated investors and certain executives of the Company.