Income (Loss) Per Share (Antidilutive) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income (loss) allocated to common stockholders is not adjusted for:
Loss on extinguishment of preferred stock - Series B	$ 4,411	$ 0	$ 4,484	$ 0
Total	$ 4,846	$ (4,040)	$ 5,403	$ (4,195)
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	15,829	10,809	13,270	11,043
Restricted Stock
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	129	0	106	38
Operating Partnership Units
Net income (loss) allocated to common stockholders is not adjusted for:
Income (loss) attributable to redeemable noncontrolling interests in operating partnership	$ (1,282)	$ (5,770)	$ (2,361)	$ (7,655)
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	4,059	3,845	4,033	3,979
Series B Preferred Stock
Net income (loss) allocated to common stockholders is not adjusted for:
Dividends on preferred stock - Series B	$ 1,068	$ 1,730	$ 2,631	$ 3,460
Loss on extinguishment of preferred stock - Series B	$ 4,411	$ 0	$ 4,484	$ 0
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	4,156	6,728	5,113	6,728
Exchanged Shares of Series B Preferred Stock
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	905	236	728	298
Convertible Senior Notes
Net income (loss) allocated to common stockholders is not adjusted for:
Interest expense on Convertible Senior Notes	$ 649	$ 0	$ 649	$ 0
Weighted average diluted shares are not adjusted for:
Antidilutive securities excluded (in shares)	6,580	0	3,290	0

Loss attributable to redeemable noncontrolling interests in operating partnership.

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- Definition

Gain (Loss) On Extinguishment Of Preferred Stock

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- Definition

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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- Definition

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
-Name Accounting Standards Codification
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The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders.

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