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Intangible Assets - Narrative (Details)
3 Months Ended
Jun. 30, 2024
USD ($)
county
Jun. 30, 2023
USD ($)
county
Acquired Indefinite-lived Intangible Assets [Line Items]    
Impairment $ 0 $ 0
Broadband licenses granted, number of counties | county 1 9
Exchanges - licenses received $ 126,000 $ 13,292,000
Licenses exchanged 33,000 2,507,000
Gain (loss) on disposition of intangible assets 100,000 10,800,000
Licensing Agreements    
Acquired Indefinite-lived Intangible Assets [Line Items]    
Exchanges - licenses received 100,000 13,300,000
Licenses exchanged $ 0 $ 2,500,000