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Revenue and Contracts in Process - Schedule of Spectrum Segment Disaggregation of Revenue (Details) - Spectrum - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]    
Revenue $ 6.2 $ 6.3
Broadcast station    
Segment Reporting Information [Line Items]    
Revenue $ 6.2 $ 6.3