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v3.23.1

Revenue - Narrative (Details) $ in Thousands, people in Millions, customer in Millions |  | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 28, 2022 USD ($) customer term | Oct. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) people | Feb. 28, 2021 USD ($) people | Dec. 31, 2020 USD ($) people | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Sep. 30, 2014 USD ($)
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Number of people covered by network | people |  |  |  | 3.6 | 7.5 |  |  |  |  |
Lease term |  |  |  |  | 30 years |  |  |  |  |
Lease extension |  |  | 10 years |  | 10 years |  |  |  |  |
Scheduled prepayments |  |  |  |  | $ 47,700 |  |  |  |  |
Contractual term |  |  |  |  | 30 years | 30 years |  |  |  |
Days after agreement execution, payments due |  |  | 30 days |  |  |  |  |  |  |
Prepayments received |  |  |  |  |  | $ 60,759 |  | $ 54,678 | $ 2,983 |
Prepaid expenses and other current assets |  |  |  |  |  | 16,277 |  | $ 10,147 |  |
Spectrum revenue |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Prepaid expenses and other current assets |  |  |  |  |  |  |  |  |  | $ 7,500
Ameren |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Lease payments received |  | $ 17,200 | $ 5,400 | $ 300 |  |  |  |  |  |
Evergy |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Number of people covered by network | people |  |  | 3.9 |  |  |  |  |  |  |
Lease term |  |  | 20 years |  |  |  |  |  |  |
Scheduled prepayments |  |  | $ 30,200 |  |  |  |  |  |  |
Xcel Energy Services Inc. | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Agreement term | 20 years |  |  |  |  |  |  |  |  |
Number of agreement extensions | term | 2 |  |  |  |  |  |  |  |  |
Agreement extension term | 10 years |  |  |  |  |  |  |  |  |
Total scheduled prepayments | $ 80,000 |  |  |  |  |  |  |  |  |
Prepayments received |  |  |  |  |  | $ 8,000 | $ 8,000 |  |  |
Xcel Energy Services Inc. | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement | Electricity |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Number of customers | customer | 3.7 |  |  |  |  |  |  |  |  |
Xcel Energy Services Inc. | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement | Natural Gas |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Number of customers | customer | 2.1 |  |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |
Lease extension |  |  |  |  |  | 10 years |  |  |  |
Contractual term |  |  |  |  |  | 10 years |  |  |  |

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