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Debt - Fair Value Disclosure (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Shentel Issuer Class A-2 Notes    
Debt Instrument [Line Items]    
Fair value $ 490,805 $ 494,278
Shentel Issuer Class B Notes    
Debt Instrument [Line Items]    
Fair value $ 78,834 $ 77,676