Note 2 - Operating Property Activities (Details) - Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Mortgage Fair Value Adjustment	$ (21,573)
Other Assets	2,637
	1,460,631
Above Market Rents	31,620
Below Market Rents	(65,711)
In-Place Leases	147,483
Land [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	395,363
Building [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	830,647
Building Improvements [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	118,563
Leasehold Improvements [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	$ 21,602

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.

+ Details

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- Definition

The amount of below market rents assumed through business acquisition.

+ References

No definition available.

+ Details

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- Definition

The fair value debt adjustments resulting from the business acquisition.

+ References

No definition available.

+ Details

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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=56956791&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 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.

+ References

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