SHAREHOLDERS’ EQUITY, NONCONTROLLING INTERESTS IN PARTNERSHIP, AND REDEEMABLE NON-CONTROLLING INTERESTS (Schedule Of Preferred Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Noncontrolling Interest
Preferred shares - outstanding (in shares)	14,703,214	14,703,214
Preferred Shares - 6.875% Series C
Noncontrolling Interest
Preferred shares - outstanding (in shares)	3,000,000	3,000,000
Aggregate Liquidation Preference	$ 75,000
Distribution rate (percent)	6.875%
Preferred stock dividend (usd per share)	$ 1.7188	$ 3.4376
Preferred Shares - 6.5% Series D
Noncontrolling Interest
Preferred shares - outstanding (in shares)	7,701,700	7,701,700
Aggregate Liquidation Preference	$ 192,543
Distribution rate (percent)	6.50%
Preferred stock dividend (usd per share)	$ 1.6250	$ 3.2500
Preferred Shares - 6.5% Series E
Noncontrolling Interest
Preferred shares - outstanding (in shares)	4,001,514	4,001,514
Aggregate Liquidation Preference	$ 100,038
Distribution rate (percent)	6.50%
Preferred stock dividend (usd per share)	$ 1.6250	$ 3.2500
Preferred stock cash			$ 24,176