Note 3 - Property Acquisitions, Developments and Other Investments (Details) - Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Note 3 - Property Acquisitions, Developments and Other Investments (Details) - Purchase Price Allocation [Line Items]
Mortgage Fair Value Adjustment	$ (39,368)	$ (5,794)
Other Assets	7,097	894
Other Liabilities		(401)
	1,442,237	724,468
Below Market Rents	(81,362)	(25,298)
Above Market Rents	30,307	15,758
In-Place Leases	113,513	35,262
Land [Member]
Note 3 - Property Acquisitions, Developments and Other Investments (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	414,879	198,263
Building [Member]
Note 3 - Property Acquisitions, Developments and Other Investments (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	679,753	368,478
Building Improvements [Member]
Note 3 - Property Acquisitions, Developments and Other Investments (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	290,882	115,110
Leasehold Improvements [Member]
Note 3 - Property Acquisitions, Developments and Other Investments (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	$ 26,536	$ 22,196

Business acquisition purchase price allocation above market price.

No definition available.

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- Definition

The amount of acquired in place leases through business acquisition.

+ References

No definition available.

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- Definition

The amount of below market rents assumed through business acquisition.

+ References

No definition available.

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- Definition

The fair value debt adjustments resulting from the business acquisition.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464

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- Definition

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

+ References

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- Definition

Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

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- Definition

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

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