Note 2 - Operating Property Activities (Details) - Purchase Price Allocation $ in Thousands	Sep. 30, 2015 USD ($)
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Mortgage Fair Value Adjustment	$ (22,124)
Other Assets	3,027
Other Liabilities	(166)
	1,554,744
Above Market Rents	30,249
Below Market Rents	(62,507)
In-Place Leases	102,137
Scenario, Previously Reported [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Mortgage Fair Value Adjustment	(22,124)
Other Assets	3,027
Other Liabilities	(166)
	1,554,744
Above Market Rents	32,025
Below Market Rents	(67,356)
In-Place Leases	$ 156,177
Purchase Price Allocation Adjustment [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Mortgage Fair Value Adjustment		[1]
Other Assets		[1]
Other Liabilities		[1]
		[1]
Above Market Rents	$ (1,776)	[1]
Below Market Rents	4,849	[1]
In-Place Leases	(54,040)	[1]
Land [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	379,767
Land [Member] | Scenario, Previously Reported [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	417,566
Land [Member] | Purchase Price Allocation Adjustment [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	(37,799)	[1]
Building [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	954,951
Building [Member] | Scenario, Previously Reported [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	876,329
Building [Member] | Purchase Price Allocation Adjustment [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	78,622	[1]
Building Improvements [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	137,434
Building Improvements [Member] | Scenario, Previously Reported [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	135,533
Building Improvements [Member] | Purchase Price Allocation Adjustment [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	1,901	[1]
Leasehold Improvements [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	31,976
Leasehold Improvements [Member] | Scenario, Previously Reported [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	23,733
Leasehold Improvements [Member] | Purchase Price Allocation Adjustment [Member]
Note 2 - Operating Property Activities (Details) - Purchase Price Allocation [Line Items]
Property, Plant, and Equipment	$ 8,243	[1]

[1] In accordance with the Company's adoption of ASU 2015-16, which eliminates the requirement to restate prior period financial statements for measurement period adjustments relating to purchase price allocations, the Company, during September 2015, adjusted the preliminary allocation amounts recorded for properties acquired during the nine months ended September 30, 2015. The impact of these allocation adjustments on the Company's tangible and intangible assets and liabilities arereflected in the table above. In addition, these allocation adjustments resulted in an increase to Depreciation and amortization expense of $5.8 million and a reduction toRevenues from rental properties of $0.1 million for the three months ended September 30, 2015, which related to the six months ended June 30, 2015.