FRESH START ACCOUNTING - Schedule of Reorganization Items, Net (Details) - USD ($) $ in Thousands		4 Months Ended	8 Months Ended	12 Months Ended
	May 01, 2019	May 01, 2019	Dec. 31, 2019	Dec. 31, 2018
Reorganizations [Abstract]
Write-off of deferred loans costs		$ 0	$ 0	$ (67,079)
Write-off of original issue discount		0	0	(131,100)
Debtor-in-possession refinancing costs		0	0	10,546
Professional fees and other bankruptcy related costs		(157,487)	0	(147,119)
Net gain on settlement of Liabilities subject to compromise	$ 7,192,374	7,192,374	0	(275)
Impact of fresh start adjustments		2,430,944	0	0
Other items, net		(4,005)	0	0
Reorganization items, net		9,461,826	0	(356,119)
Cash payments for Reorganization items, net		$ 183,291	$ 18,360	$ 103,727