DISTRIBUTIONS (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Distributions [Abstract]
Common share distributions payments of ordinary dividends (in usd per share)	$ 0.62	$ 0.55	$ 0.38
Common share distributions capital gain (in usd per share)	0	0	0.26
Common share distributions non-taxable distributions (in usd per share)	0.14	0.17	0
Common stock dividends per share paid (in usd per share)	$ 0.76	$ 0.72	$ 0.64
Percentage of distributions classified as ordinary income	81.00%	76.20%	60.00%
Percentage of distributions classified as capital gain	0.00%	0.00%	40.00%
Percentage of distributions classified as non-taxable distributions	19.00%	23.80%	0.00%
Dividends, preferred stock	$ 0	$ 0	$ 2,032
Percentage of preferred distributions classified as ordinary income	0.00%	0.00%	60.00%
Percentage of preferred distributions classified as capital gain	0.00%	0.00%	40.00%
Percentage of preferred distributions classified as non-taxable distributions	0.00%	0.00%	0.00%