FAIR VALUE MEASUREMENTS - Additional Information (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Liabilities at fair value	$ 12,054,000
7.5% Senior Notes due 2022
Debt Instrument [Line Items]
Fair value of senior notes	$ 227,300,000
Predecessor
Debt Instrument [Line Items]
Liabilities at fair value		$ 0
Predecessor | Convertible Notes Due 2017
Debt Instrument [Line Items]
Fair value of convertible notes		293,500,000
Predecessor | 7.5% Senior Notes due 2022
Debt Instrument [Line Items]
Fair value of senior notes		$ 465,000,000