Note 2 - Operating Property Activities - Summary of Ownership Interest and Gain on Change of Interest (Details) $ in Thousands	6 Months Ended
Jun. 30, 2017 USD ($)
Gain on change in control of interests, net	$ 71,160
Plantation Commons [Member]
Gain on change in control of interests, net	$ 9,793
Current ownership interest	76.25%
Gordon Plaza [Member]
Gain on change in control of interests, net	$ 395
Current ownership interest	40.62%
The District at Tustin Legacy [Member]
Gain on change in control of interests, net	$ 60,972
Current ownership interest	54.27%

In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)(2)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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