Investment In Unconsolidated Joint Ventures (Income Or Loss From Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures	$ (214)	$ (274)
Loss from Unconsolidated Joint Venture Investments	(214)	(274)
SB Partners, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures	(39)	(90)
Hiren Boston, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures	(93)	(109)
Mystic Partners, LLC [Member]
Investments in Unconsolidated Joint Ventures [Line Items]
Income (Loss) from Unconsolidated Joint Ventures	$ (82)	$ (75)

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration