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Note 14 - Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Variable Interest Entities [Table Text Block]
    December 31, 2019     December 31, 2018  
             
Investments in unconsolidated subsidiaries   $
1,981
    $
-
 
Co-investment commitments    
7,969
     
-
 
Maximum exposure to loss   $
9,950
    $
-