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Equity (Dividends) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Dividends [Abstract]
Operating loss carryforwards				$ 529,600
Common stock dividends declared	$ 8,728	$ 8,236
Common stock dividends declared per share (in dollars per share)	$ 0.125	$ 0.11
Capital gains distribution			100.00%
Unrecaptured Section 1250 gain percentage			18.31%
Common Stock
Dividends [Abstract]
Capital gains distribution			100.00%
Unrecaptured Section 1250 gain percentage			18.31%

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Capital Gains Distribution, Percentage

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Unrecaptured Section 1250 Gain, Percentage of Dividend

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Aggregate dividends paid during the period for each share of common stock outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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-Name Accounting Standards Codification
-Topic 505
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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-Name Accounting Standards Codification
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