v3.26.1
Summarized Financial Information of Subsidiaries (Subsidiary) - Summarized Statements of Income and Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Condensed Income Statements, Captions [Line Items]            
Net revenues $ 616,749   $ 579,311   $ 1,144,753 $ 1,084,741
Operating income (loss) 207,960   197,681   354,023 388,914
Net income (loss) 164,640 $ 101,845 155,016 $ 139,229 266,485 294,245
Net income (loss) attributable to controlling interest 160,749   154,355   262,036 293,110
LAMAR MEDIA CORP. AND SUBSIDIARIES            
Condensed Income Statements, Captions [Line Items]            
Net revenues 616,749   579,311   1,144,753 1,084,741
Operating expenses (income) 408,634   381,480   790,449 695,568
Operating income (loss) 208,115   197,831   354,304 389,173
Net income (loss) 164,795   155,166   266,766 294,504
Net income (loss) attributable to controlling interest 160,904   154,505   262,317 293,369
Eliminations | LAMAR MEDIA CORP. AND SUBSIDIARIES            
Condensed Income Statements, Captions [Line Items]            
Net revenues (86)   (255)   (219) (426)
Operating expenses (income) (86)   (255)   (219) (426)
Operating income (loss) 0   0   0 0
Net income (loss) (199,107)   (191,708)   (338,249) (365,487)
Net income (loss) attributable to controlling interest (199,107)   (191,708)   (338,249) (365,487)
Lamar Media Corp. | Reportable Legal Entities | LAMAR MEDIA CORP. AND SUBSIDIARIES            
Condensed Income Statements, Captions [Line Items]            
Net revenues 0   0   0 0
Operating expenses (income) 0   0   0 0
Operating income (loss) 0   0   0 0
Net income (loss) 160,902   154,505   262,316 293,369
Net income (loss) attributable to controlling interest 160,902   154,505   262,316 293,369
Guarantor Subsidiaries | Reportable Legal Entities | LAMAR MEDIA CORP. AND SUBSIDIARIES            
Condensed Income Statements, Captions [Line Items]            
Net revenues 609,434   567,209   1,131,085 1,061,191
Operating expenses (income) 402,040   369,445   777,475 671,328
Operating income (loss) 207,394   197,764   353,610 389,863
Net income (loss) 205,257   195,734   347,731 374,192
Net income (loss) attributable to controlling interest 201,648   195,354   343,865 373,592
Non- Guarantor Subsidiaries | Reportable Legal Entities | LAMAR MEDIA CORP. AND SUBSIDIARIES            
Condensed Income Statements, Captions [Line Items]            
Net revenues 7,401   12,357   13,887 23,976
Operating expenses (income) 6,680   12,290   13,193 24,666
Operating income (loss) 721   67   694 (690)
Net income (loss) (2,257)   (3,365)   (5,032) (7,570)
Net income (loss) attributable to controlling interest $ (2,539)   $ (3,646)   $ (5,615) $ (8,105)