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Nature of Operations (Details) - USD ($) $ in Thousands | Mar. 30, 2026 | Mar. 25, 2026 | Mar. 31, 2026 | Jan. 30, 2026 | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | --- | --- | --- | --- | ---
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Prepayments received |  |  | $ 161,178 |  | $ 124,672 | $ 122,212
NorthWestern Energy (“NWE”) | License |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Prepayments received |  |  | 0 |  |  |
NorthWestern Energy (“NWE”) | Wireless Licenses |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Total Consideration | $ 7,700 |  |  |  |  |
Texas-New Mexico Power Company (“TNMP”) | License |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Prepayments received |  |  | 0 |  |  |
Texas-New Mexico Power Company (“TNMP”) | Wireless Licenses |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Total Consideration |  | $ 3,200 |  |  |  |
CPS Energy (“CPS”) | License |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Prepayments received |  |  | $ 6,500 | $ 13,000 |  |

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