EQUITY AND EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ 170,681	$ 103,920	$ 617,743	$ (1,459,206)
Noncontrolling interests in income (loss) of consolidated subsidiaries	9,001	11,640	28,448	34,118
Dividends on preferred stock	15,533	14,359	44,249	39,938
Net income (loss) attributable to common stockholders - basic	146,147	77,921	545,046	(1,533,262)
Net income (loss) attributable to common stockholders - diluted	$ 146,147	$ 77,921	$ 545,046	$ (1,533,262)
Basic weighted average shares of common stock outstanding (in shares)	466,579,920	415,744,518	446,085,657	415,665,441
Dilutive effect of stock options and common stock purchase warrants (in shares)	15,702,775	5,224,108	15,608,824	0
Diluted weighted average shares of common stock outstanding (in shares)	482,282,695	420,968,626	461,694,481	415,665,441
Basic earnings per share attributable to common stockholders (in dollars per share)	$ 0.31	$ 0.19	$ 1.22	$ (3.69)
Diluted earnings per share attributable to common stockholders (in dollars per share)	$ 0.30	$ 0.19	$ 1.18	$ (3.69)
Antidilutive shares (in shares)	0	0	0	5,966,141