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DISPOSED AND DISCONTINUED OPERATIONS - Disposed Operations (Details) - Grid Tied Central Solar Inverter Services Business[Member] - Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] - Bold Renewables Holdings, LLC [Member] - USD ($) | 11 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | May 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Consideration from disposed operations |  |  | $ 1.00
Loan | $ 5,300,000 |  |
Non-cash gain, net of tax expense, from discontinued operations |  | $ 8,600,000 |
Continuing Operations [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Disposed operations of extended warranty service obligation |  | 22,000,000.0 |
Non cash gain from continuing operations |  | 14,800,000 |
Discontinued Operations [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Disposed operations of reduced liabilities held in discontinued operations |  | 10,900,000 |
Tax expense from discontinued operations |  | $ 2,400,000 |

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- Definition The amount of increase (decrease) in liabilities of disposed operations. + References No definition available. + Details
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