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Consolidated Statements Of Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Common shares issued	4,778	0	0
Common share options exercised	50,710	202,993	53,358
Conversions and redemptions of operating partnership units	3	8	2
Cash distributions declared to equity holders per share	$ 3.00	$ 7.25	$ 2.80
Additional Paid-In Capital
Common share options exercised	11	45	0

X

- Definition

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

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The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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Number of new stock issued during the period.

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Number of share options (or share units) exercised during the current period.

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