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Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 01, 2025
Jun. 28, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-36756    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-0961620    
Entity Address, Address Line One 5321 Corporate Blvd.    
Entity Address, City or Town Baton Rouge    
Entity Address, State or Province LA    
Entity Address, Postal Zip Code 70808    
City Area Code 225    
Local Phone Number 926-1000    
Title of 12(b) Security Class A common stock, $0.001 par value    
Trading Symbol LAMR    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 10,320,640,348
Documents Incorporated by Reference
DocumentParts into Which Incorporated
Proxy Statement for the Annual Meeting of Stockholders scheduled to be held on May 15, 2025 (Proxy Statement)Part III
This combined Form 10-K is separately filed by (i) Lamar Advertising Company and (ii) Lamar Media Corp. (which is a wholly owned subsidiary of Lamar Advertising Company). Lamar Media Corp. meets the conditions set forth in general instruction I(1) (a) and (b) of Form 10-K and is, therefore, filing this form with the reduced disclosure format permitted by such instruction. 		   
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001090425    
Entity Registrant Name LAMAR ADVERTISING CO/NEW    
Common Class A      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   87,976,923  
Common Class B      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   14,420,085  
LAMAR MEDIA CORP. AND SUBSIDIARIES      
Document Information [Line Items]      
Entity File Number 1-12407    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 72-1205791    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Public Float     $ 0
Entity Common Stock, Shares Outstanding   100  
Entity Central Index Key 0000899045    
Entity Registrant Name LAMAR MEDIA CORP/DE