Consolidated Statements Of Equity (Parenthetical) - $ / shares	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Dividends and Distributions declared:
Common Shares, Dividends declared (in dollars per share)	$ 0.84	$ 0.84
Common Units, Distributions declared (in dollars per share)	0.84	0.84
LTIP Units, Distribution Per Unit	$ 0.84	$ 0.84

Per-share or per-unit amount of incentive dividend declared and paid to managing member or general partner.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 72
-URI http://asc.fasb.org/extlink&oid=6926462&loc=SL5163672-159010

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 55
-Paragraph 103
-URI http://asc.fasb.org/extlink&oid=65015998&loc=SL5199526-159011

Reference 3: 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

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 73
-URI http://asc.fasb.org/extlink&oid=6926462&loc=SL5163674-159010

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