SUBSEQUENT EVENTS (Details) - USD ($)	Aug. 06, 2019	Jun. 30, 2019	Apr. 30, 2018
2019 Term Loan Facility | Subsequent Event
Subsequent Event [Line Items]
Aggregate principal amount	$ 200,000,000
Proceeds from facility	187,000,000
Fees and expenses	$ 13,000,000
Guarantor subsidiary, voting equity interests (in excess of)	66.00%
Variable rate floor	0.00%
Basis spread on variable interest rate	9.50%
Covenant, maximum incurrence of secured debt	$ 50,000,000
Covenant, investments, maximum	50,000,000
Covenant, ordinary course investments, maximum	$ 10,000,000
Available amount basket	50.00%
Covenant, maximum net debt to EBITDA ratio	5.0
Covenant, maximum secured and structurally senior debt	$ 2,500,000,000.0
Covenant, minimum EBITDA	$ 250,000,000
Mandatory prepayments, excess cash flows	50.00%
Mandatory prepayments, asset sales, aggregate reinvestment cap	$ 50,000,000.0
Exit fee	5.00%
5.75% Senior Notes due 2021
Subsequent Event [Line Items]
Stated interest rate		5.75%	5.75%
5.75% Senior Notes due 2021 | Subsequent Event
Subsequent Event [Line Items]
Stated interest rate	5.75%
Maximum | 2019 Term Loan Facility | Subsequent Event
Subsequent Event [Line Items]
Mandatory prepayments, excess cash flows step-down	25.00%
Minimum | 2019 Term Loan Facility | Subsequent Event
Subsequent Event [Line Items]
Mandatory prepayments, excess cash flows step-down	0.00%
Redemption Period One | 2019 Term Loan Facility | Subsequent Event
Subsequent Event [Line Items]
Prepayment fee, percentage	10.00%
Redemption Period Two | 2019 Term Loan Facility | Subsequent Event
Subsequent Event [Line Items]
Prepayment fee, percentage	10.00%
Redemption Period Three | 2019 Term Loan Facility | Subsequent Event
Subsequent Event [Line Items]
Prepayment fee, percentage	7.50%