EQUITY STRUCTURE AND ACCOUNTS - Dividends Declared (Details) - $ / shares														12 Months Ended
	Dec. 15, 2021	Sep. 15, 2021	Jun. 15, 2021	Mar. 15, 2021	Dec. 31, 2020	Aug. 31, 2020	May 28, 2020	Feb. 27, 2020	Nov. 26, 2019	Aug. 22, 2019	May 30, 2019	Feb. 27, 2019	Jan. 24, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class A Common Stock
Class of Stock [Line Items]
Dividends per share of Class A common stock (in dollars per share)	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.570	$ 0.80	$ 0.94	$ 1.36