Earnings Per Share (Schedule of Calculation of Numerator and Denominator in Earnings Per Share) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net (loss) income from continuing operations	$ (34,342,000)	$ 46,011,000	$ (41,155,000)	$ 40,726,000
Preferred stock dividends	(2,688,000)	(2,688,000)	(5,376,000)	(5,376,000)
Net loss (income) attributable to noncontrolling interests	143,000	(377,000)	185,000	(480,000)
Net earnings allocated to unvested shares	(18,000)	(1,878,000)	(41,000)	(1,850,000)
(Loss) income from continuing operations, net of noncontrolling interest, attributable to vested common shares	(36,905,000)	41,068,000	(46,387,000)	33,020,000
Income from discontinued operations, net of noncontrolling interests, attributable to vested common shares	(8,388,000)	5,421,000	(2,673,000)	11,921,000
Net (loss) income attributable to vested common shares	$ (45,293,000)	$ 46,489,000	$ (49,060,000)	$ 44,941,000
Weighted average number of vested common shares outstanding, basic	13,288,000	13,197,000	13,287,000	13,171,000
Weighted average number of vested common shares outstanding, diluted	13,288,000	13,197,000	13,287,000	13,171,000
Continuing operations, basic per share	$ (2.78)	$ 3.11	$ (3.49)	$ 2.51
Continuing operations, diluted per share	(2.78)	3.11	(3.49)	2.51
Discontinued operations, basic per share	(0.63)	0.41	(0.20)	0.90
Discontinued operations, diluted per share	(0.63)	0.41	(0.20)	0.90
Net (loss) income per common share attributable to common shareholders, basic	(3.41)	3.52	(3.69)	3.41
Net (loss) income per common share attributable to common shareholders, diluted	$ (3.41)	$ 3.52	$ (3.69)	$ 3.41