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Description of Business and Basis of Presentation - Narrative (Details)
$ in Millions, $ in Millions
3 Months Ended
Mar. 31, 2024
USD ($)
markets
segment
Mar. 31, 2023
USD ($)
Oct. 22, 2023
CAD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Number of largest domestic markets in which the entity operates | markets 25    
Approximate number of markets in which the entity operates | markets 150    
Number of operating segments | segment 2    
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Operating $ 238.7 $ 235.5  
Out-of-period adjustment   For the three months ended March 31, 2023, the Company recorded an out-of-period adjustment relating to variable billboard property lease expenses and accrued lease and franchise costs in 2022, resulting in a $5.2 million increase in Operating expenses for the three months ended March 31, 2023. The Company assessed the materiality of the amount reflected in this adjustment on its previously issued financial statements in accordance with the SEC’s Staff Accounting Bulletin (“SAB”) No. 99 and SAB No. 108 and concluded that the amount was not material, individually or in the aggregate, to any of its previously issued financial statements  
Immaterial Error Correction      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Operating   $ 5.2  
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Canadian Business      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Selling price     $ 410.0