Note 12 - Inland Diversified Merger (Details) (USD $) In Billions, except Per Share data, unless otherwise specified						0 Months Ended
	Mar. 31, 2014	Feb. 09, 2014 Subsequent Event [Member] Reference Price Equal to or Less Than $6.36 [Member] Inland Diversified Real Estate Trust, Inc [Member]	Feb. 09, 2014 Subsequent Event [Member] Reference Price, Between 3.36 and 6.58 [Member] Inland Diversified Real Estate Trust, Inc [Member]	Feb. 09, 2014 Subsequent Event [Member] Reference Price Greater Than $6.58 [Member] Inland Diversified Real Estate Trust, Inc [Member]	Feb. 09, 2014 Subsequent Event [Member] Inland Diversified Real Estate Trust, Inc [Member]	Feb. 09, 2014 Inland Diversified Real Estate Trust, Inc [Member]	Dec. 31, 2013 Inland Diversified Real Estate Trust, Inc [Member]
Note 12 - Inland Diversified Merger (Details) [Line Items]
Business Combination, Consideration Transferred (in Dollars)						$ 2.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities (in Dollars)						$ 0.9
Number of Real Estate Properties	68						59
Real Estate Properties, Percent Leased							96.20%
Business Combination, Shares Issued in Exchange, Per Share		$ 1.707		$ 1.650
Reference Price Threshold, Lower					$ 6.36
Reference Price Threshold, Higher					$ 6.58
Numerator for Stock Exchange Ratio			$ 10.85