BASIS OF PRESENTATION (Schedule Of Preferred Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Class of Stock
Shares Outstanding (in shares)	14,703,214		14,703,214
Series C
Class of Stock
Shares Outstanding (in shares)	3,000,000		3,000,000
Aggregate Liquidation Preference	$ 75,000
Dividend Rate (percent)	6.875%
Dividend Per Share (in dollars per share)	$ 1.2891	$ 1.2891
Series D
Class of Stock
Shares Outstanding (in shares)	7,701,700		7,701,700
Aggregate Liquidation Preference	$ 192,500
Dividend Rate (percent)	6.50%
Dividend Per Share (in dollars per share)	$ 1.2188	1.2188
Series E
Class of Stock
Shares Outstanding (in shares)	4,001,514		4,001,514
Aggregate Liquidation Preference	$ 100,000
Dividend Rate (percent)	6.50%
Dividend Per Share (in dollars per share)	$ 1.2188	$ 1.2188