EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2016	Sep. 09, 2016	Dec. 31, 2018	Dec. 31, 2017
Basic:
Net income (loss) available to common stockholders	$ (479,984)		$ 45,959	$ 487,679
Weighted average basic number of common shares outstanding	91,228		157,011	132,763
Basic net income (loss) per share of common share (in dollars per share)	$ (5.26)		$ 0.29	$ 3.67
Diluted:
Net income (loss) available to common stockholders	$ (479,984)		$ 45,959	$ 487,679
Weighted average basic number of common shares outstanding	91,228		157,011	132,763
Common stock equivalent shares representing shares included upon Vesting of restricted shares			284	813
Weighted average diluted number of common shares outstanding	91,228		157,295	133,576
Diluted net income (loss) per share of common stock (in dollars per share)	$ (5.26)		$ 0.29	$ 3.65
Common stock equivalents excluded from computation of diluted earnings per share of common stock because of anti-dilutive effect	11,200		13,100	17,100
Predecessor
Basic:
Net income (loss) available to common stockholders		$ (32,794)
Weighted average basic number of common shares outstanding		120,513
Basic net income (loss) per share of common share (in dollars per share)		$ (0.27)
Diluted:
Net income (loss) available to common stockholders		$ (32,794)
Weighted average basic number of common shares outstanding		120,513
Weighted average diluted number of common shares outstanding		120,513
Diluted net income (loss) per share of common stock (in dollars per share)		$ (0.27)
Common stock equivalents excluded from computation of diluted earnings per share of common stock because of anti-dilutive effect		43,600