CAPITAL STOCK - Summary of Dividend Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Dividends Payable [Line Items]
Dividends and dividend equivalents declared on common stock and share-based awards	$ 322,197	$ 308,346
Distributions declared per common share (in dollars per share)	$ 0.22	$ 0.22
Distributions paid to common stockholders after period end	$ 321,423	$ 307,671
Distributions paid per common share after period end (in dollars per share)	$ 0.22	$ 0.22
Series F
Dividends Payable [Line Items]
Preferred dividends declared	$ 12,510	$ 12,510
Preferred series dividends declared (in dollars per share)	$ 0.434	$ 0.434
Series G
Dividends Payable [Line Items]
Preferred dividends declared	$ 6,906	$ 6,906
Preferred series dividends declared (in dollars per share)	$ 0.406	$ 0.406
Series I
Dividends Payable [Line Items]
Preferred dividends declared	$ 7,467	$ 7,467
Preferred series dividends declared (in dollars per share)	$ 0.422	$ 0.422