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Subsequent Events (Details)
$ in Thousands
12 Months Ended
Apr. 20, 2023
USD ($)
cities
county
Mar. 31, 2023
USD ($)
county
Mar. 31, 2022
USD ($)
county
Mar. 31, 2021
USD ($)
Subsequent Event [Line Items]        
Broadband licenses granted, number of countries | county   84 21  
Payments to acquire intangible assets | $   $ 25,004 $ 26,358 $ 13,944
Subsequent Event | Lower Colorado River Authority (LCRA) | Wireless Licenses        
Subsequent Event [Line Items]        
Broadband licenses granted, number of countries | county 68      
Broadband licenses granted, minimum number of cities | cities 30      
Payments to acquire intangible assets | $ $ 30,000