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DERIVATIVE AND HEDGING ACTIVITIES - Netting Arrangements (Details) - USD ($) $ in Thousands | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2019 | Dec. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Derivative Assets |  |  |  |  |
Gross Amounts Presented in the Consolidated Balance Sheet |  | $ 5,219 | $ 109,119 |  | $ 5,219
Amounts Not Offset in the Consolidated Balance Sheet |  | (4,557) | (4,445) |  | (4,557)
Net Amount |  | 662 | 104,674 |  | 662
Derivative Liabilities |  |  |  |  |
Gross Amounts Presented in the Consolidated Balance Sheet |  | (12,923) | (4,445) |  | (12,923)
Amounts Not Offset in the Consolidated Balance Sheet |  | 4,557 | $ 4,445 |  | 4,557
Net Amount |  | $ (8,366) |  |  | $ (8,366)
Financial Designation, Predecessor and Successor [Fixed List] | Successor | Successor | Successor | Predecessor | Successor

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