EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Weighted Average Number of Shares, excluded from computation	2,300	400	2,300	600
Income from continuing operations- basic and diluted	$ (27,322)	$ 4,381	$ (32,010)	$ 9,030
Weighted average shares outstanding-basic	47,955	48,974	48,503	48,668
Weighted Average Number of Shares, Contingently Issuable	0	3,163	0	2,930
Weighted average diluted shares outstanding	47,955	52,137	48,503	51,598
Basic earnings (loss) per share (in dollars per share)	$ (0.57)	$ 0.09	$ (0.66)	$ 0.19
Diluted earnings (loss) per share (in dollars per share)	$ (0.57)	$ 0.08	$ (0.66)	$ 0.18
Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment	1,400		1,300