Note 2 - Operating Property Activities - Purchase Price Allocation (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Business Acquisitions in 2017 [Member]
Mortgage fair value adjustment	$ (6,222)
Other assets	5,090
Other liabilities	(3,302)
Net assets acquired	546,959
Business Acquisitions in 2017 [Member] \| Above Market Leases [Member]
Finite lived intangible assets	11,992
Business Acquisitions in 2017 [Member] \| Below Market Leases [Member]
Finite lived intangible liabilities	(30,246)
Business Acquisitions in 2017 [Member] \| Leases, Acquired-in-Place [Member]
Finite lived intangible assets	42,412
Business Acquisitions in 2017 [Member] \| Tenant Improvements [Member]
Finite lived intangible assets	12,737
Business Acquisitions in 2016 [member]
Mortgage fair value adjustment	(4,292)	$ (4,292)
Other assets	234	234
Other liabilities	(27)	(27)
Net assets acquired	645,624	645,624
Business Acquisitions in 2016 [member] \| Above Market Leases [Member]
Finite lived intangible assets	12,867	11,982
Intangible assets (liabilities) allocation adjustments	885
Business Acquisitions in 2016 [member] \| Below Market Leases [Member]
Finite lived intangible liabilities	(36,619)	(31,903)
Intangible assets (liabilities) allocation adjustments	(4,716)
Business Acquisitions in 2016 [member] \| Leases, Acquired-in-Place [Member]
Finite lived intangible assets	43,031	44,094
Intangible assets (liabilities) allocation adjustments	(1,063)
Land [Member] \| Business Acquisitions in 2017 [Member]
Property, plant and equipment	190,226
Land [Member] \| Business Acquisitions in 2016 [member]
Property, plant and equipment	174,000	179,150
Property, plant and equipment allocation adjustments	(5,150)
Building [Member] \| Business Acquisitions in 2017 [Member]
Property, plant and equipment	293,355
Building [Member] \| Business Acquisitions in 2016 [member]
Property, plant and equipment	278,797	309,493
Property, plant and equipment allocation adjustments	(30,696)
Building Improvements [Member] \| Business Acquisitions in 2017 [Member]
Property, plant and equipment	30,917
Building Improvements [Member] \| Business Acquisitions in 2016 [member]
Property, plant and equipment	166,000	124,105
Property, plant and equipment allocation adjustments	41,895
Tenant Improvements [Member] \| Business Acquisitions in 2016 [member]
Finite lived intangible assets	11,633	$ 12,788
Intangible assets (liabilities) allocation adjustments	$ (1,155)

The fair value debt adjustments resulting from the business acquisition.

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- Definition

The amount of identifiable intangible liabilities recognized as of the acquisition date.

+ References

No definition available.

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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

+ References

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-Publisher FASB
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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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