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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 06, 2023
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]            
Amortization expense   $ 200 $ 200 $ 400 $ 600  
Proceeds from the sale of FCC spectrum licenses       $ 17,300 $ 0  
Spectrum Purchase Agreements | Disposal Group, Disposed of by Sale, Not Discontinued Operations            
Finite-Lived Intangible Assets [Line Items]            
Sale proceeds $ 21,100          
Proceeds from the sale of FCC spectrum licenses 17,300          
Discontinued operation, liabilities assumed by acquirer 3,800          
Gain on sale $ 1,300          
Spectrum Purchase Agreements | Disposal Group, Held-for-sale, Not Discontinued Operations            
Finite-Lived Intangible Assets [Line Items]            
Indefinite-lived license           $ 13,800
Finite-lived license           5,900
Operating lease liabilities           $ 3,800