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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]          
Amortization expense $ 0.1 $ 0.2 $ 0.2 $ 0.4  
Spectrum Purchase Agreements | Disposal Group, Held-for-sale, Not Discontinued Operations          
Finite-Lived Intangible Assets [Line Items]          
Indefinite-lived license         $ 13.8
Finite-lived license         5.9
Operating lease liabilities $ 3.8   $ 3.8   $ 3.8