CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Real estate owned:
Real estate under development accumulated depreciation	$ 19	$ 184
Real estate held for disposition accumulated depreciation	$ 0	$ 24,960
Equity:
Preferred stock, no par value	$ 0	$ 0
Preferred stock, shares authorized	50,000,000	50,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	450,000,000	450,000,000
Common stock, shares issued	329,327,553	329,014,512
Common stock, shares outstanding	329,327,553	329,014,512
8.00% Series E Cumulative Convertible Preferred Stock
Equity:
Preferred stock, dividend rate percentage	8.00%	8.00%
Preferred stock, shares issued	2,686,308	2,686,308
Preferred stock, shares outstanding	2,686,308	2,686,308
Series F
Equity:
Preferred stock, shares issued	11,785,976	11,867,730
Preferred stock, shares outstanding	11,785,976	11,867,730