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GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 798,385 $ 798,385
Accumulated Amortization 383,323 367,763
Total 415,062 430,622
Intangible assets, net 2,517,295 2,532,855
Franchise agreements    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Indefinite-Lived Intangible Assets 2,102,233 2,102,233
Customer relationships    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 785,203 785,203
Accumulated Amortization 374,382 359,432
Total $ 410,821 425,771
Customer relationships | Minimum    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Useful Life Range (in years) 13 years 6 months  
Customer relationships | Maximum    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Useful Life Range (in years) 17 years  
Trademarks and trade names    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 8,389 8,389
Accumulated Amortization 7,890 7,400
Total $ 499 989
Trademarks and trade names | Minimum    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Useful Life Range (in years) 2 years  
Trademarks and trade names | Maximum    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Useful Life Range (in years) 4 years 2 months 12 days  
Wireless licenses    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 4,793 4,793
Accumulated Amortization 1,051 931
Total $ 3,742 $ 3,862
Wireless licenses | Minimum    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Useful Life Range (in years) 10 years