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Note 9 - Noncontrolling Interests (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Redeemable Noncontrolling Interest [Table Text Block]
   

Three Months Ended March 31,

 
   

2020

   

2019

 

Balance at January 1,

  $ 17,943     $ 23,682  

Income

    262       92  

Distributions

    (262 )     (90 )

Balance at March 31,

  $ 17,943     $ 22,684