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Note 10 - Redeemable Noncontrolling Interests (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
 
 
2017
 
 
2016
 
Balance at January 1,
   $
86,953
     $
86,709
  
Issuance of redeemable partnership interests (1)
    
10,000
      
-
  
Income (2)
    
1,109
      
2,147
  
Distributions
    
(2,000
 )    
(2,082
 )
Balance at June 30,
   $
96,062
     $
86,774