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Goodwill and Other Intangible Assets (Subsidiary) - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 3,839,323 | $ 3,811,018 |
Accumulated Amortization | 2,776,722 | 2,639,584 |
Goodwill gross carrying amount | 2,288,618 | 2,288,807 | $ 2,288,805
Goodwill accumulated amortization | 253,536 | 253,536 |
LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 3,838,777 | 3,810,473 |
Accumulated Amortization | 2,776,644 | 2,639,506 |
Goodwill gross carrying amount | 2,277,597 | 2,277,786 | $ 2,277,784
Goodwill accumulated amortization | $ 252,666 | 252,667 |
Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 2 years |  |
Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |
Customer lists and contracts |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 732,098 | 731,156 |
Accumulated Amortization | 665,095 | 640,635 |
Customer lists and contracts | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 732,098 | 731,156 |
Accumulated Amortization | $ 665,095 | 640,635 |
Customer lists and contracts | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 7 years |  |
Customer lists and contracts | Minimum | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 7 years |  |
Customer lists and contracts | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 10 years |  |
Customer lists and contracts | Maximum | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 10 years |  |
Non-competition agreements |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 71,960 | 71,960 |
Accumulated Amortization | 66,894 | 66,455 |
Non-competition agreements | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 71,960 | 71,960 |
Accumulated Amortization | $ 66,894 | 66,455 |
Non-competition agreements | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 3 years |  |
Non-competition agreements | Minimum | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 3 years |  |
Non-competition agreements | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |
Non-competition agreements | Maximum | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |
Site locations |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |
Gross Carrying Amount | $ 2,982,504 | 2,955,324 |
Accumulated Amortization | $ 2,002,272 | 1,891,078 |
Site locations | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |
Gross Carrying Amount | $ 2,982,504 | 2,955,324 |
Accumulated Amortization | 2,002,272 | 1,891,078 |
Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 52,761 | 52,578 |
Accumulated Amortization | 42,461 | 41,416 |
Other | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 52,215 | 52,033 |
Accumulated Amortization | $ 42,383 | $ 41,338 |
Other | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 2 years |  |
Other | Minimum | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 2 years |  |
Other | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |
Other | Maximum | LAMAR MEDIA CORP. AND SUBSIDIARIES |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Estimated Life (Years) | 15 years |  |

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