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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 35
-Paragraph 32
-URI http://asc.fasb.org/extlink&oid=49116238&loc=d3e32787-111569

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.12)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 9
-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 11
-Article 7

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Investment In Unconsolidated Joint Ventures (Income Or Loss From Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures									$ 965	$ 693	$ (22)
Impairment from Unconsolidated Joint Ventures											(1,813)
Income (Loss) from Unconsolidated Joint Venture Investments	$ 105	$ 608	$ 526	$ (274)	$ 87	$ 607	$ 419	$ (420)	965	693	(1,835)
SB Partners, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures									582	407	264
Hiren Boston, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures									694	603	113
Mystic Partners, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures									$ (311)	$ (317)	$ (399)