| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | LAMAR ADVERTISING CO/NEW |
| Entity Central Index Key | 0001090425 |
| Pay vs Performance Disclosure Unit_pure in Millions | 12 Months Ended | ||
| Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | PAY VERSUS PERFORMANCE As required by Section 953(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and Item 402(v) of Regulation S-K, Value of Initial Fixed $100 Investment Based On: Year Summary Compensation Table Total Compensation for CEO Compensation Actually Paid to CEO (1) Average Summary Compensation Table Total Compensation for Other NEOs (2) Average Compensation Actually Paid to Other NEOs (3) Company Cumulative TSR (4) Peer Group Cumulative TSR (4) Net Income ($ millions) Company- Selected Performance Measure - Adjusted EBITDA ($ millions) (5) 2022 $ 6,079,394 $ 5,835,634 $ 2,987,339 $ 2,865,459 $ 120.86 $ 36.71 $ 438,647 $ 938,079 2021 $ 5,934,758 $ 3,575,038 $ 3,014,134 $ 2,894,741 $ 146.81 $ 115.73 $ 388,090 $ 827,289 2020 $ 3,912,660 $ 4,845,020 $ 2,385,147 $ 2,220,007 $ 97.39 $ 57.69 $ 243,386 $ 671,536 (1) Represents the amount of “compensation actually paid” (“CAP”) to Mr. Sean E. Reilly, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Compensation Element 2020 2021 2022 Total Comp as Reported in SCT $ 3,912,660 $ 5,934,758 $ 6,079,394 Pension/NQDC as Reported in SCT — — — Stock Awards as Reported in SCT ($ 2,885,960 ) ($ 4,035,240 ) ($ 3,893,560 ) Option Awards as Reported in SCT — — — Pension Value for Current Year — — — Adjusted Equity Values and Accrued Dividends(a) $ 3,818,320 $ 1,675,520 $ 3,649,800 Compensation Actually Paid (CAP) $ 4,845,020 $ 3,575,038 $ 5,835,634 (a) The amounts deducted or added in calculating the equity award adjustments are as follows: Year Year End Fair Value of Equity Awards Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year Total Equity Award Adjustments 2020 $ 3,661,680 $ 156,640 $ 3,818,320 2021 $ 5,337,200 ($ 3,661,680 ) $ 1,675,520 2022 $ 4,153,600 ($ 503,800 ) $ 3,649,800 (2) Represents the average of the amounts reported for the Company’s named executive officers, excluding Mr. Sean E. Reilly (“NEOs”), as a group in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the NEOs (excluding Mr. Sean E. Reilly) included for purposes of calculating the average amounts in each applicable year are Mr. Kevin P. Reilly, Jr. and Mr. Jay L. Johnson. (3) Represents the amount of “compensation actually paid” (“CAP”) to the NEOs as a group, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Compensation Element 2020 2021 2022 Average Total Comp as Reported in SCT $ 2,385,147 $ 3,014,134 $ 2,987,339 Average Pension/NQDC as Reported in SCT — — — Average Stock Awards as Reported in SCT ($ 1,742,980 ) ($ 2,017,620 ) ($ 1,946,780 ) Average Option Awards as Reported in SCT — — — Average Pension Value for Current Year — — — Average Adjusted Equity Values and Accrued Dividends(a) $ 1,577,840 $ 1,898,227 $ 1,824,900 Compensation Actually Paid (CAP) $ 2,220,007 $ 2,894,741 $ 2,865,459 (a) The amounts deducted or added in calculating the equity award adjustments are as follows: Year Average Year End Fair Value of Equity Awards Average Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year Year over Year Average Change in Fair Value of Outstanding and Unvested Equity Awards Average Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year Average Value of Dividends Paid and not Otherwise Reflected in Fair Value or Total Compensation Total Average Equity Award Adjustments 2020 $ 1,830,840 ($ 548,878 ) ($ 16,263 ) $ 300,023 $ 12,117 $ 1,577,840 2021 $ 2,668,600 ($ 777,104 ) — — $ 6,731 $ 1,898,227 2022 $ 2,076,800 ($ 251,900 ) — — — $ 1,824,900 (4) Reflects the cumulative total stockholder return (“TSR”) of each of the Company and Clear Channel Outdoor Holdings Inc., as the Company’s peer, for the year ended December 31, 2020, the two-years (5) Adjusted EBITDA is defined as net income before income tax expense (benefit), interest expense (income), equity in (earnings) loss of investee, loss (gain) on extinguishment of debt and investments, stock-based compensation, depreciation and amortization, loss (gain) on disposition of assets and investments, transaction expenses and capitalized contract fulfillment costs, net. | ||
| Company Selected Measure Name | Adjusted EBITDA | ||
| Named Executive Officers, Footnote [Text Block] | Represents the average of the amounts reported for the Company’s named executive officers, excluding Mr. Sean E. Reilly (“NEOs”), as a group in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the NEOs (excluding Mr. Sean E. Reilly) included for purposes of calculating the average amounts in each applicable year are Mr. Kevin P. Reilly, Jr. and Mr. Jay L. Johnson. | ||
| Peer Group Issuers, Footnote [Text Block] | Reflects the cumulative total stockholder return (“TSR”) of each of the Company and Clear Channel Outdoor Holdings Inc., as the Company’s peer, for the year ended December 31, 2020, the two-years | ||
| PEO Total Compensation Amount | $ 6,079,394 | $ 5,934,758 | $ 3,912,660 |
| PEO Actually Paid Compensation Amount | $ 5,835,634 | 3,575,038 | 4,845,020 |
| Adjustment To PEO Compensation, Footnote [Text Block] | (1) Represents the amount of “compensation actually paid” (“CAP”) to Mr. Sean E. Reilly, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Compensation Element 2020 2021 2022 Total Comp as Reported in SCT $ 3,912,660 $ 5,934,758 $ 6,079,394 Pension/NQDC as Reported in SCT — — — Stock Awards as Reported in SCT ($ 2,885,960 ) ($ 4,035,240 ) ($ 3,893,560 ) Option Awards as Reported in SCT — — — Pension Value for Current Year — — — Adjusted Equity Values and Accrued Dividends(a) $ 3,818,320 $ 1,675,520 $ 3,649,800 Compensation Actually Paid (CAP) $ 4,845,020 $ 3,575,038 $ 5,835,634 (a) The amounts deducted or added in calculating the equity award adjustments are as follows: Year Year End Fair Value of Equity Awards Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year Total Equity Award Adjustments 2020 $ 3,661,680 $ 156,640 $ 3,818,320 2021 $ 5,337,200 ($ 3,661,680 ) $ 1,675,520 2022 $ 4,153,600 ($ 503,800 ) $ 3,649,800 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 2,987,339 | 3,014,134 | 2,385,147 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,865,459 | 2,894,741 | 2,220,007 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | (3) Represents the amount of “compensation actually paid” (“CAP”) to the NEOs as a group, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Compensation Element 2020 2021 2022 Average Total Comp as Reported in SCT $ 2,385,147 $ 3,014,134 $ 2,987,339 Average Pension/NQDC as Reported in SCT — — — Average Stock Awards as Reported in SCT ($ 1,742,980 ) ($ 2,017,620 ) ($ 1,946,780 ) Average Option Awards as Reported in SCT — — — Average Pension Value for Current Year — — — Average Adjusted Equity Values and Accrued Dividends(a) $ 1,577,840 $ 1,898,227 $ 1,824,900 Compensation Actually Paid (CAP) $ 2,220,007 $ 2,894,741 $ 2,865,459 (a) The amounts deducted or added in calculating the equity award adjustments are as follows: Year Average Year End Fair Value of Equity Awards Average Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year Year over Year Average Change in Fair Value of Outstanding and Unvested Equity Awards Average Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year Average Value of Dividends Paid and not Otherwise Reflected in Fair Value or Total Compensation Total Average Equity Award Adjustments 2020 $ 1,830,840 ($ 548,878 ) ($ 16,263 ) $ 300,023 $ 12,117 $ 1,577,840 2021 $ 2,668,600 ($ 777,104 ) — — $ 6,731 $ 1,898,227 2022 $ 2,076,800 ($ 251,900 ) — — — $ 1,824,900 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | |||
| Compensation Actually Paid vs. Net Income [Text Block] | |||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | |||
| Tabular List [Table Text Block] | The following table identifies the only two financial performance measures used by our Compensation Committee to link the CAP paid to our CEO and other NEOs in 2022. Financial Performance Measures Adjusted EBITDA Net Revenue | ||
| Total Shareholder Return Amount | $ 120.86 | 146.81 | 97.39 |
| Peer Group Total Shareholder Return Amount | 36.71 | 115.73 | 57.69 |
| Net Income (Loss) | $ 438,647,000,000 | $ 388,090,000,000 | $ 243,386,000,000 |
| Company Selected Measure Amount | 938,079 | 827,289 | 671,536 |
| PEO Name | Mr. Sean E. Reilly | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted EBITDA | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Net Revenue | ||
| PEO [Member] | Stock Awards as Reported in SCT [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (3,893,560) | $ (4,035,240) | $ (2,885,960) |
| PEO [Member] | Adjusted Equity Values and Accrued Dividends [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 3,649,800 | 1,675,520 | 3,818,320 |
| PEO [Member] | Year End Fair Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 4,153,600 | 5,337,200 | 3,661,680 |
| PEO [Member] | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (503,800) | (3,661,680) | 156,640 |
| PEO [Member] | Total Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 3,649,800 | 1,675,520 | 3,818,320 |
| Non-PEO NEO [Member] | Stock Awards as Reported in SCT [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,946,780) | (2,017,620) | (1,742,980) |
| Non-PEO NEO [Member] | Adjusted Equity Values and Accrued Dividends [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,824,900 | 1,898,227 | 1,577,840 |
| Non-PEO NEO [Member] | Year End Fair Value of Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,076,800 | 2,668,600 | 1,830,840 |
| Non-PEO NEO [Member] | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (251,900) | (777,104) | (548,878) |
| Non-PEO NEO [Member] | Change in Fair Value of Outstanding and Unvested Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (16,263) | ||
| Non-PEO NEO [Member] | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 300,023 | ||
| Non-PEO NEO [Member] | Value of Dividends Paid and not Otherwise Reflected in Fair Value or Total Compensation [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 6,731 | 12,117 | |
| Non-PEO NEO [Member] | Total Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 1,824,900 | $ 1,898,227 | $ 1,577,840 |
