INCOME TAXES (Taxability of Common and Preferred Share Distributions) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Preferred Shares - 6.875% Series C
Income Tax
Ordinary income (in hundredths)	2.17%	0.00%	0.00%
Return of Capital (in hundredths)	0.00%	0.00%	100.00%
Capital Gain Distribution (in hundredths)	97.83%	100.00%	0.00%
Preferred Shares - 6.5% Series D
Income Tax
Ordinary income (in hundredths)	2.17%	0.00%	0.00%
Return of Capital (in hundredths)	0.00%	0.00%	100.00%
Capital Gain Distribution (in hundredths)	97.83%	100.00%	0.00%
Preferred Shares - 6.5% Series E
Income Tax
Ordinary income (in hundredths)	2.17%	0.00%	0.00%
Return of Capital (in hundredths)	0.00%	0.00%	100.00%
Capital Gain Distribution (in hundredths)	97.83%	100.00%	0.00%
Class A Common Shares
Income Tax
Ordinary income (in hundredths)	2.17%		0.00%
Return of Capital (in hundredths)	0.00%		100.00%
Capital Gain Distribution (in hundredths)	97.83%		0.00%