Income (Loss) Per Share (Antidilutive) (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss) allocated to common stockholders is not adjusted for:
Loss on extinguishment of preferred stock - Series B	$ 4,595	$ 0	$ 0
Total	$ 9,821	$ (6,060)	$ 6,301
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	19,884	10,673	11,044
Series E Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Dividends on preferred stock	$ 683
Series M Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Dividends on preferred stock	15
Restricted Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Income (loss) allocated to unvested shares	$ 0	$ 0	$ 405
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	99	22	51
Performance Shares
Net income (loss) allocated to common stockholders is not adjusted for:
Income (loss) allocated to unvested shares	$ 0	$ 0	$ 261
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	0	0	193
Operating Partnership Units
Net income (loss) allocated to common stockholders is not adjusted for:
Income (loss) attributable to redeemable noncontrolling interests in operating partnership	$ (3,597)	$ (12,979)	$ (1,207)
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	4,980	3,923	4,219
Equity Unit Purchase Agreements \| Series B Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Dividends on preferred stock	$ 4,747	$ 6,919	$ 6,842
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	4,614	6,728	6,581
Equity Unit Purchase Agreements \| Series E Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Dividends on preferred stock	$ 683	$ 0	$ 0
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	1,345	0	0
Equity Unit Purchase Agreements \| Series M Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Dividends on preferred stock	$ 15	$ 0	$ 0
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	32	0	0
Series B Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Loss on extinguishment of preferred stock - Series B	$ 4,595	$ 0	$ 0
Exchanged Shares of Series B Preferred Stock
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	364	0	0
Convertible Senior Notes
Net income (loss) allocated to common stockholders is not adjusted for:
Interest expense on Convertible Senior Notes	$ 3,378	$ 0	$ 0
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	8,450	0	0

Loss attributable to redeemable noncontrolling interests in operating partnership.

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Net Income (Loss) Attributable To Antidilutive Securities

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount, after tax, of interest recognized on convertible debt instrument excluding interest on principal required to be paid in cash.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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