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Summary of Significant Accounting Policies - Narrative (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
segment
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Finite-Lived Intangible Assets [Line Items]      
Advertising expense $ 6,800 $ 4,400 $ 2,700
Fair value of projected benefit obligations $ 3,758 8,216  
Number of operating segments | segment 2    
Number of reportable segments | segment 2    
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, useful life 10 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, useful life 15 years    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01      
Finite-Lived Intangible Assets [Line Items]      
Performance obligation period 1 year    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01      
Finite-Lived Intangible Assets [Line Items]      
Performance obligation period 1 year    
Pension Plan      
Finite-Lived Intangible Assets [Line Items]      
Fair value of projected benefit obligations $ 0 2,393  
Net benefit plan obligation 3,400    
Ntelos Holding, Corp | Pension Plan      
Finite-Lived Intangible Assets [Line Items]      
Fair value of pension plan assets 21,300 31,100  
Fair value of projected benefit obligations $ 24,700 $ 33,500  
Discount rate (as a percent) 4.90% 2.74%  
Ntelos Pension Plan      
Finite-Lived Intangible Assets [Line Items]      
Pension benefits, vesting period 5 years    
Vesting reductions, threshold age of recipient 65 years    
Postretirement medical benefits plan      
Finite-Lived Intangible Assets [Line Items]      
Fair value of projected benefit obligations $ 1,869 $ 3,506  
Discount rate (as a percent) 5.00% 2.70%