Consolidated Statement of Equity (Parentheticals)	9 Months Ended
Sep. 30, 2017 $ / shares
Dividends per share/unit (in dollars per share)	$ 0.5625
Accumulated dividends in excess of earnings
Dividends per share/unit (in dollars per share)	$ 0.5625

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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