BUSINESS COMBINATIONS - Pro Forma (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Combinations [Abstract]
Net revenues	$ 1,528,434	$ 1,501,146	$ 1,607,777
Income (loss) from continuing operations	(419,808)	(360,085)	374,135
Income (loss) from discontinued operations	0	1,152	836
Net income (loss) available to the Company	(419,808)	(358,933)	374,971
Net income (loss) available to common shareholders	$ (419,808)	$ (358,933)	$ 372,956
Income (loss) from continuing operations per common share - basic	$ (3.07)	$ (2.61)	$ 2.67
Income (loss) from discontinued operations per common share - basic	0	0.01	0.01
Net income (loss) available to common shareholders per common share - basic	(3.07)	(2.60)	2.66
Income (loss) from continuing operations per common share - diluted	(3.07)	(2.61)	2.64
Income (loss) from discontinued operations per common share - diluted	0	0.01	0.01
Net income (loss) available to common shareholders per common share - diluted	$ (3.07)	$ (2.60)	$ 2.63
Weighted shares outstanding basic	136,967	138,070	140,298
Weighted shares outstanding diluted	136,967	138,070	141,790