Note 3 - Property Acquisitions, Developments and Other Investments - Acquisition of Operating Properties (Details) ft² in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) ft²
Purchase Price Cash	$ 325,228	[1]
Purchase Price Debt Acquired	249,000
Purchase Price Other	114,098	[2]
Purchase Price Total	$ 688,326
Purchase Price GLA (Square Foot) (Square Foot) | ft²	2,875	[3]
Plantation Commons [Member]
Purchase Price Cash		[1],[4],[5]
Purchase Price Debt Acquired		[4],[5]
Purchase Price Other	12,300	[2],[4],[5]
Purchase Price Total	$ 12,300	[4],[5]
Purchase Price GLA (Square Foot) (Square Foot) | ft²	60	[3],[4],[5]
Gordon Plaza [Member]
Purchase Price Cash		[1],[4],[5]
Purchase Price Debt Acquired		[4],[5]
Purchase Price Other	3,100	[2],[4],[5]
Purchase Price Total	$ 3,100	[4],[5]
Purchase Price GLA (Square Foot) (Square Foot) | ft²	184	[3],[4],[5]
Plaza Del Prado [Member]
Purchase Price Cash	$ 39,063	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 39,063
Purchase Price GLA (Square Foot) (Square Foot) | ft²	142	[3]
Columbia Crossing Parcel [Member]
Purchase Price Cash	$ 5,100	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 5,100
Purchase Price GLA (Square Foot) (Square Foot) | ft²	25	[3]
The District at Tustin Legacy [Member]
Purchase Price Cash		[1],[5],[6]
Purchase Price Debt Acquired	206,000	[5],[6]
Purchase Price Other	98,698	[2],[5],[6]
Purchase Price Total	$ 304,698	[5],[6]
Purchase Price GLA (Square Foot) (Square Foot) | ft²	688	[3],[5],[6]
Jantzen Beach Center [Member]
Purchase Price Cash	$ 131,927	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 131,927
Purchase Price GLA (Square Foot) (Square Foot) | ft²	722	[3]
Del Monte Plaza Parcel [Member]
Purchase Price Cash	$ 24,152	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 24,152
Purchase Price GLA (Square Foot) (Square Foot) | ft²	83	[3]
Gateway Station Phase II [Member]
Purchase Price Cash	$ 15,355	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 15,355
Purchase Price GLA (Square Foot) (Square Foot) | ft²	79	[3]
Jantzen Beach Center Parcel [Member]
Purchase Price Cash	$ 6,279	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 6,279
Purchase Price GLA (Square Foot) (Square Foot) | ft²	25	[3]
Webster Square Outparcel [Member]
Purchase Price Cash	$ 4,985	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 4,985
Purchase Price GLA (Square Foot) (Square Foot) | ft²	22	[3]
Whittwood Town Center [Member]
Purchase Price Cash	$ 80,397	[1]
Purchase Price Debt Acquired	43,000
Purchase Price Other		[2]
Purchase Price Total	$ 123,397
Purchase Price GLA (Square Foot) (Square Foot) | ft²	783	[3]
123 Coulter Avenue Parcel [Member]
Purchase Price Cash	$ 4,808	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 4,808
Purchase Price GLA (Square Foot) (Square Foot) | ft²	1	[3]
Fulton Marketplace Parcel [Member]
Purchase Price Cash	$ 13,162	[1]
Purchase Price Debt Acquired
Purchase Price Other		[2]
Purchase Price Total	$ 13,162
Purchase Price GLA (Square Foot) (Square Foot) | ft²	61	[3]

[1] The Company utilized an aggregate $162.4 million associated with Internal Revenue Code 1031 sales proceeds.

[2] Includes the Company's previously held equity interest investment.

[3] Gross leasable area ("GLA")

[4] The Company acquired from its partners, their ownership interest in properties that were held in joint ventures in which the Company had noncontrolling interests. The Company has a controlling interest in these properties and has deemed these entities to be VIEs for which the Company is the primary beneficiary and consolidates these assets.

[5] The Company evaluated these transactions pursuant to the FASB's Consolidation guidance and as a result, recognized gains on change in control of interests resulting from the fair value adjustments associated with the Company's previously held equity interests, which are included in the purchase price above in Other Consideration. The Company's current ownership interests and gains on change in control of interests recognized as a result of these transactions are as follows (in thousands):

[6] Effective April 1, 2017, the Company and its partner amended its joint venture agreement relating to the Company's investment in this property. As a result of this amendment, the Company controls the entity and consolidates the property. This entity is deemed to be a VIE for which the Company is the primary beneficiary.