LONG–TERM DEBT, NET (Predecessor debt) (Details) - USD ($)		5 Months Ended	7 Months Ended	12 Months Ended
	May 31, 2018	May 31, 2018	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Oct. 31, 2019	Jun. 04, 2018	Mar. 13, 2018
Predecessor credit facility
Financial Designation, Predecessor and Successor [Fixed List]		Predecessor	Successor	Successor	Successor	Predecessor	Predecessor
Credit facility, maximum borrowing capacity									$ 1,000,000,000
8.0% Senior Notes due 2019
Predecessor credit facility
Senior notes maturity date	Apr. 15, 2019
Senior unsecured notes, stated interest rate	8.00%	8.00%								8.00%
Secured Debt [Member]
Predecessor credit facility
Credit facility, maximum borrowing capacity	$ 1,000,000,000	$ 1,000,000,000
Credit facility, expiration date	2020-02
Weighted average effective interest rate	5.47%	5.47%
Revolving Credit Facility [Member]
Predecessor credit facility
Credit facility, maximum borrowing capacity								$ 10,000,000
Letters of credit outstanding, amount				$ 0
Revolving Credit Facility [Member] | Secured Debt [Member]
Predecessor credit facility
Credit facility, maximum borrowing capacity									1,000,000,000
Weighted average effective interest rate			5.10%		5.10%
Standby Letters of Credit [Member]
Predecessor credit facility
Credit facility, maximum borrowing capacity	$ 100,000,000	$ 100,000,000						$ 2,000,000	$ 50,000,000
Letters of credit outstanding, amount	$ 200,000	$ 200,000	$ 200,000	$ 100,000	$ 200,000	$ 200,000