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REDEEMABLE NONCONTROLLING INTEREST (Tables)
3 Months Ended
Mar. 31, 2018
Noncontrolling Interest [Abstract]  
Redeemable Noncontrolling Interest [Table Text Block] The following is a reconciliation of redeemable noncontrolling interest as of March 31, 2018 and 2017 (amounts in thousands):
 
2018
 
2017
Balance at January 1
$
113,193

 
$
104,809

   Income attributable to redeemable noncontrolling interest
(515
)
 
620

   Currency translation
348

 
2,337

   Redemption value adjustment
2,343

 
(941
)
Balance at March 31
$
115,369

 
$
106,825