Earnings Per Share (Schedule of Calculation of Numerator and Denominator in Earnings Per Share) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Earnings Per Share [Abstract] | |||
| Net (loss) income | $ (45,003,000) | $ (520,000) | $ 1,566,000 |
| Preferred stock dividends | (10,752,000) | (10,752,000) | (10,752,000) |
| Net (income) attributable to noncontrolling interests | (96,000) | (552,000) | (490,000) |
| Net earnings allocated to unvested shares | (117,000) | (238,000) | (558,000) |
| Net loss attributable to vested common shares | $ (55,968,000) | $ (12,062,000) | $ (10,234,000) |
| Weighted average number of vested common shares outstanding, basic and diluted | 13,213,000 | 13,104,000 | 13,082,000 |
| Net loss per common share attributable to common shareholders, basic and diluted | $ (4.24) | $ (0.92) | $ (0.78) |