v3.26.1
Long-term Debt - Additional Information (Details)
6 Months Ended
Sep. 25, 2025
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Sep. 23, 2025
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Jan. 22, 2021
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Aug. 19, 2020
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May 13, 2020
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Feb. 06, 2020
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Jun. 30, 2026
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Jun. 30, 2025
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Dec. 31, 2025
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Jul. 31, 2023
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Jul. 29, 2022
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Jun. 24, 2022
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Mar. 16, 2020
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Dec. 18, 2018
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Debt Instrument [Line Items]                            
Proceeds received from revolving credit facility             $ 170,000,000 $ 442,000,000            
Repayments in lines of credit             80,000,000 292,000,000            
Outstanding revolving credit facility             90,000,000              
Remaining borrowing capacity under revolving credit facility             652,214,000              
Debt instrument outstanding amount             3,540,741,000   $ 3,448,820,000          
LAMAR MEDIA CORP. AND SUBSIDIARIES                            
Debt Instrument [Line Items]                            
Proceeds received from revolving credit facility             170,000,000 442,000,000            
Repayments in lines of credit             80,000,000 $ 292,000,000            
Letter of Credit                            
Debt Instrument [Line Items]                            
Letter of credit outstanding balance             7,786,000              
Accounts Receivable Securitization Program                            
Debt Instrument [Line Items]                            
Aggregate principal amount of debt issued                       $ 250,000,000   $ 175,000,000
Debt instrument outstanding amount             250,000,000   250,000,000          
Accounts Receivable Securitization Program | LAMAR MEDIA CORP. AND SUBSIDIARIES                            
Debt Instrument [Line Items]                            
Available borrowing on accounts receivable securitization             0              
Line of credit facility, commitment fee amount             0              
4% Senior Notes                            
Debt Instrument [Line Items]                            
Debt instrument outstanding amount             $ 549,714,000   $ 549,674,000          
Stated percentage       4.00%   4.00% 4.00%   4.00%          
Redemption price percentage of the principal amount to be purchased       101.00%                    
4% Senior Notes | Private Placement                            
Debt Instrument [Line Items]                            
Aggregate principal amount of debt issued       $ 150,000,000   $ 400,000,000                
Stated percentage       4.00%   4.00%                
Net proceeds form the issuance of debt       $ 146,900,000   $ 395,000,000                
3 3/4% Senior Notes                            
Debt Instrument [Line Items]                            
Debt instrument outstanding amount             $ 600,000,000   $ 600,000,000          
Stated percentage           3.75% 3.75%   3.75%          
3 3/4% Senior Notes | Redemption Period One                            
Debt Instrument [Line Items]                            
Redemption price percentage of the principal amount to be purchased           101.00%                
3 3/4% Senior Notes | Private Placement                            
Debt Instrument [Line Items]                            
Aggregate principal amount of debt issued           $ 600,000,000                
Net proceeds form the issuance of debt           $ 592,500,000                
4 7/8% Senior Notes                            
Debt Instrument [Line Items]                            
Debt instrument outstanding amount             $ 400,000,000   $ 400,000,000          
Stated percentage             4.875%   4.875%          
4 7/8% Senior Notes | Redemption Period One                            
Debt Instrument [Line Items]                            
Redemption price percentage of the principal amount to be purchased         101.00%                  
4 7/8% Senior Notes | Private Placement                            
Debt Instrument [Line Items]                            
Aggregate principal amount of debt issued         $ 400,000,000                  
Stated percentage         4.875%                  
Net proceeds form the issuance of debt         $ 395,000,000                  
3 5/8% Senior Notes                            
Debt Instrument [Line Items]                            
Debt instrument outstanding amount             $ 550,000,000   $ 550,000,000          
Stated percentage             3.625%   3.625%          
3 5/8% Senior Notes | Redemption Period Two                            
Debt Instrument [Line Items]                            
Redemption price percentage of the principal amount to be purchased     101.00%                      
3 5/8% Senior Notes | Private Placement                            
Debt Instrument [Line Items]                            
Aggregate principal amount of debt issued     $ 550,000,000                      
Stated percentage     3.625%                      
Net proceeds form the issuance of debt     $ 542,500,000                      
5 3/8% Senior Notes                            
Debt Instrument [Line Items]                            
Debt instrument outstanding amount             $ 400,000,000   $ 400,000,000          
Stated percentage             5.375%   5.375%          
Redeemed percentage of aggregate principal amount 105.375%                          
Percentage of principal amount redeemed 40.00%                          
5 3/8% Senior Notes | Redemption Period One                            
Debt Instrument [Line Items]                            
Redeemed percentage of aggregate principal amount     100.00%                      
5 3/8% Senior Notes | Redemption Period Two                            
Debt Instrument [Line Items]                            
Redemption price percentage of the principal amount to be purchased 101.00%                          
5 3/8% Senior Notes | Private Placement                            
Debt Instrument [Line Items]                            
Aggregate principal amount of debt issued $ 400,000,000                          
Stated percentage 5.375%                          
Net proceeds form the issuance of debt $ 393,500,000                          
Senior or Senior Subordinated Notes and other Indebtedness | Debt Instrument Repurchase Program                            
Debt Instrument [Line Items]                            
Debt instrument repurchased under the program             $ 0              
Senior or Senior Subordinated Notes and other Indebtedness | Debt Instrument Repurchase Program                            
Debt Instrument [Line Items]                            
Debt repurchase program, authorized amount                         $ 250,000,000  
Senior Credit Facility                            
Debt Instrument [Line Items]                            
Maximum borrowing limit of incremental loan facility             750,000,000              
Term B Loan Facility                            
Debt Instrument [Line Items]                            
Maximum borrowing limit of incremental loan facility             $ 700,000,000              
Adjusted base rate   0.00%                        
Proceeds received from revolving credit facility   $ 700,000,000                        
Repayments in lines of credit   $ 600,000,000                        
Term B Loan Facility | Secured Overnight Financing Rate (SOFR)                            
Debt Instrument [Line Items]                            
Adjusted base rate   1.50%                        
Term B Loan Facility | Base Rate                            
Debt Instrument [Line Items]                            
Adjusted base rate   0.50%                        
Revolving Credit Facility | Secured Overnight Financing Rate (SOFR)                            
Debt Instrument [Line Items]                            
Secured debt ratio             3.25              
Adjusted base rate             1.50%              
Revolving Credit Facility | Base Rate                            
Debt Instrument [Line Items]                            
Secured debt ratio             3.25              
Adjusted base rate             0.50%              
Revolving Credit Facility | JP Morgan Chase Bank, N.A.                            
Debt Instrument [Line Items]                            
Maximum borrowing limit of incremental loan facility                   $ 750,000        
Revolving Credit Facility | Debt Ratio Less Than Three Point Two Five | Secured Overnight Financing Rate (SOFR)                            
Debt Instrument [Line Items]                            
Adjusted base rate             1.25%              
Revolving Credit Facility | Debt Ratio Less Than Three Point Two Five | Base Rate                            
Debt Instrument [Line Items]                            
Adjusted base rate             0.25%              
Revolving Credit Facility | Secured Debt                            
Debt Instrument [Line Items]                            
Secured debt ratio             4.50              
Term A Loan Facility                            
Debt Instrument [Line Items]                            
Maximum borrowing limit of incremental loan facility                     $ 350,000,000      
Swingline Credit Facility | JP Morgan Chase Bank, N.A.                            
Debt Instrument [Line Items]                            
Maximum borrowing limit of incremental loan facility                   $ 75,000