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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Oct. 31, 2019	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Assets
Asset transfers between levels	$ 0	$ 0			$ 0
Liabilities
Liability transfers between levels	$ 0	$ 0			$ 0
Financial Designation, Predecessor and Successor [Fixed List]	Successor	Successor	Successor	Predecessor	Successor	Predecessor	Successor
Total
Assets
Assets from derivative contracts		$ 5,219					$ 5,219
Liabilities
Liabilities from derivative contracts		12,923					12,923
Level 2
Assets
Assets from derivative contracts		5,219					5,219
Liabilities
Liabilities from derivative contracts		$ 12,923					$ 12,923
Recurring | Total
Assets
Assets from derivative contracts			$ 51,551		$ 51,551
Liabilities
Liabilities from derivative contracts			14,097		14,097
Recurring | Level 2
Assets
Assets from derivative contracts			51,551		51,551
Liabilities
Liabilities from derivative contracts			$ 14,097		$ 14,097

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