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Valuation and Qualifying Accounts (Subsidiary) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Deducted in balance sheet from trade accounts receivable: allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 12,477 $ 11,418 $ 11,195
Charged to Costs and Expenses 8,770 12,737 9,013
Deductions 8,843 11,678 8,790
Balance at End of Year 12,404 12,477 11,418
Deducted in balance sheet from trade accounts receivable: allowance for doubtful accounts | LAMAR MEDIA CORP. AND SUBSIDIARIES      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 12,477 11,418 11,195
Charged to Costs and Expenses 8,770 12,737 9,013
Deductions 8,843 11,678 8,790
Balance at End of Year 12,404 12,477 11,418
Deducted in balance sheet from deferred tax assets: valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 5,333 4,435 19,433
Charged to Costs and Expenses 0 898 0
Deductions 1,931 0 14,998
Balance at End of Year 3,402 5,333 4,435
Deducted in balance sheet from deferred tax assets: valuation allowance | LAMAR MEDIA CORP. AND SUBSIDIARIES      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year 5,333 4,435 19,433
Charged to Costs and Expenses 0 898 0
Deductions 1,931 0 14,998
Balance at End of Year $ 3,402 $ 5,333 $ 4,435