EARNINGS PER SHARE/UNIT AND STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	2 Months Ended	3 Months Ended					4 Months Ended	5 Months Ended	9 Months Ended
	Oct. 08, 2019	Jun. 30, 2018	May 31, 2018	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2018	May 31, 2018	Sep. 30, 2019	Oct. 21, 2019
Earnings Per Share Disclosure [Line Items]
Net loss		$ (538)		$ (19,529)	$ (60,907)	$ (35,775)	$ (9,760)		$ (10,298)		$ (116,211)
Net loss available to common stockholders/limited partners				$ (19,529)			$ (9,760)		$ (10,298)		$ (116,211)
Weighted average common shares/units outstanding:
Weighted average common shares/units outstanding, basic				10,131,000			10,028,000		10,021,000		10,080,000
Weighted average common shares/units outstanding, diluted				10,131,000			10,028,000		10,021,000		10,080,000
Basic and diluted earnings per share:
Basic, share/unit				$ (1.93)			$ (0.97)		$ (1.03)		$ (11.53)
Diluted, share/unit				$ (1.93)			$ (0.97)		$ (1.03)		$ (11.53)
Class of warrant or right, number of securities called by warrants or rights				800,000							800,000
Exercise price of warrants				$ 37.48							$ 37.48
Restricted stock shares
Basic and diluted earnings per share:
Equity awards not included in computation of diluted net income (loss) per limited partner unit				169,600							169,600
Antidilutive warrants
Basic and diluted earnings per share:
Equity awards not included in computation of diluted net income (loss) per limited partner unit				800,000			800,000		800,000		800,000
Subsequent Event
Basic and diluted earnings per share:
Common stock dividend declared per share	$ 7.00
Exercise price of warrants												$ 30.48
Predecessor [Member]
Earnings Per Share Disclosure [Line Items]
Net loss			$ (595,076)					$ (15,449)		$ (610,525)
General partner's 2% interest in net loss										12,211
Net loss available to common stockholders/limited partners										$ (598,314)
Weighted average common shares/units outstanding:
Weighted average common shares/units outstanding, basic										49,369,000
Weighted average common shares/units outstanding, diluted										49,369,000
Basic and diluted earnings per share:
Basic, share/unit										$ (12.12)
Diluted, share/unit										$ (12.12)