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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended		12 Months Ended
	Oct. 01, 2019	Dec. 31, 2019	Oct. 01, 2019	Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Asset transfers between levels					$ 0
Liabilities
Liability transfers between levels					$ 0
Financial Designation, Predecessor and Successor [Fixed List]	Predecessor	Successor	Predecessor	Predecessor	Successor	Successor	Predecessor
Total
Liabilities
Financial Designation, Predecessor and Successor [Fixed List]					Successor
Level 1
Liabilities
Financial Designation, Predecessor and Successor [Fixed List]					Successor
Level 2
Liabilities
Financial Designation, Predecessor and Successor [Fixed List]					Successor
Level 3
Liabilities
Financial Designation, Predecessor and Successor [Fixed List]					Successor
Recurring | Total
Assets
Receivables from derivative contracts		$ 5,219			$ 12,568	$ 5,219
Liabilities
Liabilities from derivative contracts		12,923			26,416	12,923
Recurring | Level 2
Assets
Receivables from derivative contracts		5,219			12,568	5,219
Liabilities
Liabilities from derivative contracts		$ 12,923			$ 26,416	$ 12,923

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