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Note 10 - Redeemable Noncontrolling Interests (Tables)
9 Months Ended
Sep. 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)
   
1,203
     
3,240
 
Distributions
   
(2,448
)    
(3,093
)
Redemption/conversion of redeemable units (3)
   
(79,569
)    
-
 
Balance at
September 30,
  $
16,139
    $
86,856