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Long-term Debt - Additional Information (Details) |  |  |  |  |  | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 29, 2022 USD ($) | Jan. 22, 2021 USD ($) | Aug. 19, 2020 USD ($) | May 13, 2020 USD ($) | Feb. 06, 2020 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jul. 31, 2023 USD ($) | Jun. 24, 2022 USD ($) | Mar. 16, 2020 USD ($) | Dec. 18, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Outstanding revolving credit facility |  |  |  |  |  | $ 320,000,000 |  |  |  |  |
Remaining borrowing capacity under revolving credit facility |  |  |  |  |  | 421,201,000 |  |  |  |  |
Debt instrument outstanding amount |  |  |  |  |  | 3,270,122,000 | $ 3,370,372,000 |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Letter of credit outstanding balance |  |  |  |  |  | $ 8,799,000 |  |  |  |  |
4% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  | 4.00% |  | 4.00% | 4.00% | 4.00% |  |  |  |
Debt instrument outstanding amount |  |  |  |  |  | $ 549,576,000 | $ 549,516,000 |  |  |  |
Redemption price percentage of the principal amount to be purchased |  |  | 101.00% |  |  |  |  |  |  |  |
4% Senior Notes | Redemption Period Two |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Redeemed percentage of aggregate principal amount |  |  | 100.00% |  |  |  |  |  |  |  |
4% Senior Notes | Private Placement |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  | 4.00% |  | 4.00% |  |  |  |  |  |
Aggregate principal amount of debt issued |  |  | $ 150,000,000 |  | $ 400,000,000 |  |  |  |  |  |
Net proceeds form the issuance of debt |  |  | $ 146,900,000 |  | $ 395,000,000 |  |  |  |  |  |
Accounts Receivable Securitization Program |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of debt issued |  |  |  |  |  |  |  |  | $ 250,000,000 |  | $ 175,000,000
Debt instrument outstanding amount |  |  |  |  |  | $ 249,800,000 | $ 250,000,000 |  |  |  |
Accounts receivable securitization term |  |  |  |  |  | 91 days |  |  |  |  |
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 |  |  |  |  |
3 3/4% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  |  | 3.75% | 3.75% | 3.75% |  |  |  |
Debt instrument outstanding amount |  |  |  |  |  | $ 600,000,000 | $ 600,000,000 |  |  |  |
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] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  |  |  | 4.875% | 4.875% |  |  |  |
Debt instrument outstanding amount |  |  |  |  |  | $ 400,000,000 | $ 400,000,000 |  |  |  |
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] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  | 4.875% |  |  |  |  |  |  |
Aggregate principal amount of debt issued |  |  |  | $ 400,000,000 |  |  |  |  |  |  |
Net proceeds form the issuance of debt |  |  |  | $ 395,000,000 |  |  |  |  |  |  |
3 5/8% Senior Notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  |  |  | 3.625% | 3.625% |  |  |  |
Debt instrument outstanding amount |  |  |  |  |  | $ 550,000,000 | $ 550,000,000 |  |  |  |
Redemption price percentage of the principal amount to be purchased |  | 101.00% |  |  |  |  |  |  |  |  |
3 5/8% Senior Notes | Redemption Period One |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Redeemed percentage of aggregate principal amount |  | 100.00% |  |  |  |  |  |  |  |  |
3 5/8% Senior Notes | Private Placement |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  | 3.625% |  |  |  |  |  |  |  |  |
Aggregate principal amount of debt issued |  | $ 550,000,000 |  |  |  |  |  |  |  |  |
Net proceeds form the issuance of debt |  | $ 542,500,000 |  |  |  |  |  |  |  |  |
Senior or Senior Subordinated Notes and other Indebtedness | Debt Instrument Repurchase Program |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt repurchase program, authorized amount |  |  |  |  |  |  |  |  |  | $ 250,000,000 |
Debt instrument repurchased under the program |  |  |  |  |  | 0 |  |  |  |  |
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 |  |  |  |  |  | 600,000,000 |  |  |  |  |
Proceeds received from senior credit facility term loans |  |  |  |  |  | $ 600,000,000 |  |  |  |  |
Term B Loan Facility | Variable Rate Component One |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 0.10% |  |  |  |  |
Term B Loan Facility | Variable Rate Component Two |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 1.50% |  |  |  |  |
Term B Loan Facility | Variable Rate Component Three |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 0.50% |  |  |  |  |
Term A Loan Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing limit of incremental loan facility | $ 350,000,000 |  |  |  |  |  |  |  |  |  |
Term A Loan Facility | Variable Rate Component Two |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Secured debt ratio | 3.25 |  |  |  |  |  |  |  |  |  |
Adjusted base rate | 1.50% |  |  |  |  |  |  |  |  |  |
Term A Loan Facility | Variable Rate Component Two | Debt Ratio Less Than Three Point Two Five |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate | 1.25% |  |  |  |  |  |  |  |  |  |
Term A Loan Facility | Variable Rate Component Three |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Secured debt ratio | 3.25 |  |  |  |  |  |  |  |  |  |
Adjusted base rate | 0.50% |  |  |  |  |  |  |  |  |  |
Term A Loan Facility | Variable Rate Component Three | Debt Ratio Less Than Three Point Two Five |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate | 0.25% |  |  |  |  |  |  |  |  |  |
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 | Variable Rate Component Two |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Secured debt ratio |  |  |  |  |  | 3.25 |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 1.50% |  |  |  |  |
Revolving Credit Facility | Variable Rate Component Two | Debt Ratio Less Than Three Point Two Five |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 1.25% |  |  |  |  |
Revolving Credit Facility | Variable Rate Component Three |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Secured debt ratio |  |  |  |  |  | 3.25 |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 0.50% |  |  |  |  |
Revolving Credit Facility | Variable Rate Component Three | Debt Ratio Less Than Three Point Two Five |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Adjusted base rate |  |  |  |  |  | 0.25% |  |  |  |  |
Revolving Credit Facility | Secured Debt |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Secured debt ratio |  |  |  |  |  | 4.50 |  |  |  |  |
Swingline Credit Facility | JP Morgan Chase Bank, N.A. |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing limit of incremental loan facility |  |  |  |  |  |  |  | $ 75,000 |  |  |

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