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Note 19 - Transactions with Related Parties (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Ripco [Member]
Dec. 31, 2011
Ripco [Member]
Dec. 31, 2010
Ripco [Member]
Dec. 31, 2011
Ripco [Member]
Operating Properties [Member]
Dec. 31, 2005
Ripco [Member]
Operating Properties [Member]
Dec. 31, 2011
Ripco [Member]
Land Parcels [Member]
Dec. 31, 2005
Ripco [Member]
Land Parcels [Member]
Dec. 31, 2012
Ripco [Member]
Dec. 31, 2011
Ripco [Member]
Dec. 31, 2005
Ripco [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     50.00%                 50.00%
Related Party Transaction, Amounts of Transaction (in Dollars)     $ 800,000 $ 500,000 $ 700,000              
Number of Real Estate Properties 28         1 2 1 1      
Secured Debt (in Dollars) 1,003,190,000 1,085,371,000                 14,200,000  
Number of Loans                     2  
Business Acquisition, Percentage of Voting Interests Acquired 50.00%                      
Consolidated Subsidiary, Ownership Interest 100.00%                      
Short-term Debt (in Dollars)                   $ 2,800,000    
Debt Instrument, Basis Spread on Variable Rate                   1.05%