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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY |
Distributions - common stock, Cash per share (in dollars per share) | $ 1.32
Shares issued in public offering, offering costs (in dollars) | $ 282

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