v3.26.1
Goodwill and Other Intangible Assets - Narrative (Details)
3 Months Ended
Mar. 31, 2026
USD ($)
market
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Indefinite-lived Intangible Assets [Line Items]      
Renewal period 8 years    
Number of local markets with impairment charge incurred | market 14    
Goodwill $ 147,590,000   $ 147,590,000
Amortization of intangible assets $ 900,000 $ 900,000  
National Digital      
Indefinite-lived Intangible Assets [Line Items]      
Fair value in excess of carrying amount percentage     47.00%
Townsquare Ignite      
Indefinite-lived Intangible Assets [Line Items]      
Fair value in excess of carrying amount percentage     106.00%
Townsquare Interactive Segment      
Indefinite-lived Intangible Assets [Line Items]      
Fair value in excess of carrying amount percentage     152.00%
Local Advertising Businesses      
Indefinite-lived Intangible Assets [Line Items]      
Goodwill     $ 0
Live Events      
Indefinite-lived Intangible Assets [Line Items]      
Goodwill     0
Amped      
Indefinite-lived Intangible Assets [Line Items]      
Goodwill     $ 0
United States      
Indefinite-lived Intangible Assets [Line Items]      
Number of Markets in which Tower Sites Sold | market 74    
FCC licenses      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charge $ 8,600,000 $ 0  
FCC licenses | A 100-Basis Point Increase In Weighted Average Cost Of Capital      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charge 10,300,000    
Finite-lived intangible assets at fair value, decrease 19,900,000    
FCC licenses | A 100-Basis Point Decline In Long-Term Revenue Growth Rate      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charge 8,900,000    
Finite-lived intangible assets at fair value, decrease 11,300,000    
FCC licenses | A 100-Basis Point Decline In Operating Profit Margins      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charge 7,200,000    
Finite-lived intangible assets at fair value, decrease $ 8,900,000