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Commitments and Contingencies - Additional Information (Details) - USD ($) |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Aug. 14, 2023 | Jul. 11, 2023 | Sep. 29, 2022 | Mar. 31, 2024 | Jun. 30, 2023
Master Loan Agreement |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Credit Facility | $ 10,000,000 |  |  |  |
Federal Funds Target Rate | Master Loan Agreement |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Debt instrument, basis spread on variable rate | 2.50% |  |  |  |
Luminant Power Agreement |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Amount received from Power Agreement |  |  | $ 5,100,000 |  |
Proceeds from power sales |  |  | $ 1,700,000 |  |
Accrual cost of resolving claims |  |  |  |  | $ 2,000,000
Accrual cost of resolving claims paid |  |  |  | $ 1,500,000 |
Combined Luminant Lease Agreements |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Undiscounted principal and interest lease total |  | $ 19,700,000 |  |  |
Principal and interest due over period |  | 4 years |  |  |

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