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Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]    
Non-amortizing intangibles $ 76,982 $ 76,673
Gross carrying amount 42,957 28,935
Accumulated amortization and other (29,271) (27,729)
Total 13,686 1,206
Total intangible assets, gross carrying amount 186,994 108,852
Intangible assets, net 157,723 81,123
Subscriber relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 42,447 28,425
Accumulated amortization and other (28,882) (27,370)
Total 13,565 1,055
Other intangibles    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 510 510
Accumulated amortization and other (389) (359)
Total 121 151
Cable franchise rights    
Finite-Lived Intangible Assets [Line Items]    
Non-amortizing intangibles 64,334 64,334
FCC spectrum licenses    
Finite-Lived Intangible Assets [Line Items]    
Non-amortizing intangibles 12,122 12,122
Railroad crossing rights and other    
Finite-Lived Intangible Assets [Line Items]    
Non-amortizing intangibles 526 217
Goodwill    
Finite-Lived Intangible Assets [Line Items]    
Goodwill, Gross 67,055 3,244
Goodwill $ 67,055 $ 3,244