INCOME TAXES - Schedule of Characterization of Distributions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Common Stock
Class of Stock [Line Items]
Ordinary non-qualified dividend income (in dollars per share)	$ 0.0471	$ 0	$ 0.0944
Ordinary non-qualified dividend income (in percent)	58.82%	0.00%	52.46%
Ordinary qualified dividend income (in dollars per share)	$ 0.0106	$ 0	$ 0
Ordinary qualified dividend income (in percent)	13.26%	0.00%	0.00%
Capital gain distributions (in dollars per share)	$ 0.0223	$ 0	$ 0
Capital gain distributions, percent	27.92%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0	$ 0	$ 0.0856
Return of capital, percent	0.00%	0.00%	47.54%
Distribution per share (in dollars per share)	$ 0.0800	$ 0	$ 0.1800
Distribution paid, percent	100.00%	0.00%	100.00%
Preferred Stock - Series D
Class of Stock [Line Items]
Ordinary non-qualified dividend income (in dollars per share)	$ 0	$ 0	$ 0.4031
Ordinary non-qualified dividend income (in percent)	0.00%	0.00%	25.00%
Capital gain distributions (in dollars per share)	$ 0	$ 0	$ 0
Capital gain distributions, percent	0.00%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0	$ 1.2228	$ 1.2094
Return of capital, percent	0.00%	100.00%	75.00%
Distribution per share (in dollars per share)	$ 0	$ 1.2228	$ 1.6125
Distribution paid, percent	0.00%	100.00%	100.00%
Preferred Stock - Series E
Class of Stock [Line Items]
Ordinary non-qualified dividend income (in dollars per share)	$ 0.9191	$ 0	$ 0.3906
Ordinary non-qualified dividend income (in percent)	58.82%	0.00%	25.00%
Ordinary qualified dividend income (in dollars per share)	$ 0.2072	$ 0	$ 0
Ordinary qualified dividend income (in percent)	13.26%	0.00%	0.00%
Capital gain distributions (in dollars per share)	$ 0.4363	$ 0	$ 0
Capital gain distributions, percent	27.92%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0	$ 1.5625	$ 1.1719
Return of capital, percent	0.00%	100.00%	75.00%
Distribution per share (in dollars per share)	$ 1.5625	$ 1.5625	$ 1.5625
Distribution paid, percent	100.00%	100.00%	100.00%
Preferred Stock - Series F
Class of Stock [Line Items]
Ordinary non-qualified dividend income (in dollars per share)	$ 0.8639	$ 0	$ 0
Ordinary non-qualified dividend income (in percent)	58.82%	0.00%	0.00%
Ordinary qualified dividend income (in dollars per share)	$ 0.1947	$ 0	$ 0
Ordinary qualified dividend income (in percent)	13.26%	0.00%	0.00%
Capital gain distributions (in dollars per share)	$ 0.4101	$ 0	$ 0
Capital gain distributions, percent	27.92%	0.00%	0.00%
Return of capital (in dollars per share)	$ 0	$ 0.4406	$ 0
Return of capital, percent	0.00%	100.00%	0.00%
Distribution per share (in dollars per share)	$ 1.4687	$ 0.4406	$ 0
Distribution paid, percent	100.00%	100.00%	0.00%