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INCOME TAXES (Details) - USD ($) | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2024 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | May 31, 2019
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Investment tax credit, solar property |  |  |  |  |  | 30.00% |  | 30.00%
Income tax expense (benefit), solar investment tax credit, net of deferred taxes |  |  |  |  |  |  |  | $ (10,000,000)
Unrecognized tax benefits | $ 4,900,000 | $ 0 |  |  |  |  |  |
Forecasted effective tax rate | 0.50% | (5.80%) |  |  |  |  |  |
Tax credit carryforwards expected, net | $ 43,100,000 |  |  |  |  |  | $ 45,200,000 |
Discrete adjustments, amount | $ 2,700,000 | $ 1,300,000 |  |  |  |  |  |
Effective income tax | (1.10%) | (6.60%) |  |  |  |  |  |
ITC carryforward | $ 171,300,000 |  |  |  |  |  | 154,200,000 |
Effective term | 20 years |  |  |  |  |  |  |
Deferred tax assets, operating loss carryforwards, domestic | $ 24,100,000 |  |  |  |  |  |  |
Deferred tax assets, operating loss carryforwards, domestic, refundable and receivables | 22,800,000 |  |  |  |  |  | 22,800,000 |
Valuation allowance | 4,000,000 |  |  |  |  |  | 4,000,000 |
Scenario, Forecast |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Investment tax credit, solar property |  |  | 10.00% | 22.00% | 26.00% |  |  |
Federal |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | 134,000,000 |  |  |  |  |  | 134,000,000 |
State |  |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |
Net operating loss carryforwards | $ 340,200,000 |  |  |  |  |  | $ 340,200,000 |
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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