Earnings Per Share (Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Income from continuing operations	$ 4,795,000	$ 5,416,000	$ 6,371,000	$ 8,650,000
Preferred stock dividends	(3,602,000)	(3,602,000)	(7,204,000)	(7,204,000)
Net loss attributable to noncontrolling interests	93,000	101,000	180,000	182,000
Net earnings allocated to unvested shares	(183,000)	(181,000)	(350,000)	(358,000)
Income (loss) from continuing operations attributable to vested common shares	1,103,000	1,734,000	(1,003,000)	1,270,000
Income from discontinued operations, net of noncontrolling interests, attributable to vested common shares				164,000
Net income (loss) attributable to vested common shares outstanding	$ 1,103,000	$ 1,734,000	$ (1,003,000)	$ 1,434,000
Weighted average number of vested common shares outstanding	81,677,000	81,488,000	81,667,000	81,103,000
Earnings per vested common share, basic and diluted
Continuing operations	$ 0.01	$ 0.02	$ (0.01)	$ 0.02
Discontinued operations	0.00	0.00	0.00	0.00
Earnings (loss) per vested common share, basic and diluted	$ 0.01	$ 0.02	$ (0.01)	$ 0.02