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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Forecasted effective tax rate |  | 22.30% | 19.90% |  |  |  |  |
Revaluation of deferred tax assets and liabilities |  | $ (166) | $ (145) |  |  |  |  |
Actual effective tax rate |  | 22.30% | 19.70% |  |  |  |  |
ITC carryforward |  | $ 227,100 |  |  |  | $ 224,200 |  |
Effective term |  | 20 years |  |  |  |  |  |
Potential net capital loss |  | $ 61,800 |  |  |  |  |  |
Valuation allowance |  | 23,700 |  |  |  | 23,600 |  |
Operating loss carryforward, valuation allowance |  | 17,300 |  |  |  |  |  |
Investment tax credit, solar property, percentage | 26.00% |  |  |  |  |  | 26.00% | 30.00%
Scenario, Forecast |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Investment tax credit, solar property, percentage |  |  |  | 10.00% | 22.00% |  |  |
Capital Loss Carryforward |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Tax credit carryforward, valuation allowance |  | 6,400 |  |  |  |  |  |
State |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ 404,800 |  |  |  | $ 554,600 |  |
State | Minimum |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Effective term | 7 years |  |  |  |  |  |  |
State | Maximum |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Effective term | 20 years |  |  |  |  |  |  |

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