EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net income (loss)	$ (8,878)	$ 17,596
Weighted average shares outstanding, basic (in shares)	31,569,000	38,248,000
Weighted average effect of dilutive securities (in shares)	91,000	119,000
Weighted average shares outstanding, diluted (in shares)	31,660,000	38,367,000
Per share data
Basic (in dollars per share)	$ (0.28)	$ 0.46
Diluted (in dollars per share)	$ (0.28)	$ 0.46
Share-based awards considered to be anti-dilutive (in shares)	102,443	0