REVENUE - Schedule of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	May 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Contract Liabilities
Beginning balance	$ 148,720	$ 151,475	$ 155,228	$ 165,037
Impact of fresh start accounting	0	298	0	0
Revenue recognized, included in beginning balance	(76,473)	(102,237)	(115,930)	(119,739)
Additions, net of revenue recognized during period, and other	79,228	112,532	109,422	109,930
Ending balance	$ 151,475	$ 162,068	$ 148,720	$ 155,228