EARNINGS PER SHARE AND EQUITY - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ 20,676	$ 723	$ 5,997	$ (15,782)	$ 26,673	$ (15,059)
Less: Net loss attributable to non-controlling interests in consolidated subsidiaries	(4,995)	(3,855)			(12,950)	(19,904)
Net income attributable to shareholders	$ 25,671	$ 4,578			$ 39,623	$ 4,845
Weighted Average Common Shares Outstanding - Basic (in shares)	85,996,067	84,708,071			85,990,131	83,178,546
Weighted Average Common Shares Outstanding - Diluted (in shares)	86,005,604	84,709,656			86,013,539	83,179,181
Basic (in dollars per share)	$ 0.30	$ 0.05			$ 0.46	$ 0.06
Diluted (in dollars per share)	$ 0.30	$ 0.05			$ 0.46	$ 0.06
Participating securities (in shares)	1,100,000