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Nature of Operations (Details) circuitMile in Thousands, people in Millions, home in Millions, $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 20, 2023 county | Jan. 31, 2025 USD ($) county | Jun. 30, 2024 USD ($) circuitMile people county home | Mar. 31, 2025 county | Mar. 31, 2024 county
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Broadband licenses granted, number of counties |  |  |  | 67 | 28
Lower Colorado River Authority (LCRA) | Wireless Licenses |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Broadband licenses granted, number of counties | 68 | 34 |  |  |
Broadband licenses granted, estimated consideration | $ |  | $ 13.5 |  |  |
Oncor Electric Delivery Company LLC |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Broadband licenses granted, number of counties |  |  |  | 4 |
Oncor Electric Delivery Company LLC | Wireless Licenses |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Broadband licenses granted, number of counties |  |  | 95 | 4 |
Broadband licenses granted, estimated consideration | $ |  |  | $ 102.5 |  |
Broadband licenses granted, initial consideration received | $ |  |  | $ 10.0 |  |
Number of transmission and distribution lines | circuitMile |  |  | 143 |  |
Number of homes served | home |  |  | 4 |  |
Population served | people |  |  | 13 |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
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