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LEASES - Narrative (Details)
 3 Months Ended 9 Months Ended
Sep. 29, 2023
USD ($)
broadcast_tower_site
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
option
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
option
Dec. 31, 2023
USD ($)
Leases [Abstract]            
Number of broadcast tower sites sold | broadcast_tower_site 122          
Sale leaseback assets $ 45,300,000          
Number of broadcast tower sites entered into operating leases for use | broadcast_tower_site 121          
Sale and leaseback realized loss $ (3,200,000)          
Lease initial term 10 years          
Number of optional renewal | option     4   4  
Renewal periods     5 years   5 years  
Operating lease right-of-use assets   $ 670,959,000 $ 26,300,000 $ 670,959,000 $ 26,300,000 $ 704,992,000
Total operating lease liability     26,300,000   26,300,000  
Non-cash impairment charge on operating lease   0 600,000 1,500,000 6,100,000  
Operating lease expense   $ 16,200,000 $ 16,400,000 $ 47,700,000 $ 50,900,000