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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2022 | Dec. 31, 2020
Operating Loss Carryforwards [Line Items] |  |  |  |
Forecasted effective tax rate | 22.50% | 21.60% |  |
Revaluation of deferred tax assets and liabilities | $ (554) | $ 166 |  |
Actual effective tax rate | 22.20% | 21.70% |  |
ITC carryforward | $ 177,800 |  | $ 211,800 |
Effective term | 20 years |  |  |
Potential net capital loss | $ 56,600 |  | 56,600 |
Valuation allowance | 21,900 |  | 22,200 |
Operating loss carryforward, valuation allowance | $ 16,900 |  | 17,200 |
Investment tax credit, solar property, percentage | 26.00% | 26.00% |  | 26.00%
Capital Loss Carryforward |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward, valuation allowance | $ 5,100 |  | 5,100 |
State |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards | $ 515,100 |  | $ 544,400 |
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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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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